| NAME | MATCH NR. |
DESCRIPTION |
| IWA 0280 Kapu Erdungseilrechner | 1401 | Technical slide rule of plastic, 150x40x1.5 mm Front Scales: F = t Un = Nk J, Back Scales: 15cm |
| IWA 0789 Öl- und Gasbrenner | 1408 | Technical slide chart of plastic, 210x90x2 mm Front Scales: 1) - 12), Back Scales: 13) - 22) |
| IWA RS 193 Dew Elektroden and Stäbe | 3855 | Technical slide chart of cardboard, 163x110x2 mm |
| IWA 01 182 Calculation of bolts | 1411 | Log/tech slide rule of plastic, 220x40x3 mm Front Scales: A = B C = D = E |
| IWA 01160 Baumasse für Spiralbohrer nach DIN und WN | 5713 | Technical slide chart of cardboard, 251x90x2 mm |
| IWA 01167 Richtwerte für das Fräsen | 5685 | Log/tech slide chart of plastic, 165x80x1 mm |
| IWA 01173 TIZIT Metalwerk Plansee | 5687 | Log/tech slide chart of plastic, 86x200x1.5 mm |
| IWA 01177 Oerlikon Boehringer VDF Technik | 5705 | Log/tech slide chart of plastic, 250x101x1.3 mm |
| IWA 01194 Einheitswelle Einheitsbohrung | 2827 | Technical slide chart of plastic, 180x65x1 mm (1977) |
| IWA 01206 Roughness Slide Rule for Turning by Prof. Olsen | 3290 | Log/tech slide rule of plastic, 279x50x2 mm Front Scales: 26cm / r = v = Ra Rt \ 10inch |
| IWA 01313 Machinenzeitrechner | 3491 | Log/tech slide rule of PVC, 220x50x3 mm (1981) |
| IWA 01316 Stanz- und Schnittkraft | 1412 | Technical slide rule of plastic, 155x40x3 mm Front Scales: 14cm 1) 2) = 3) 4) 5) = 6) |
| IWA 01381 Regolo calcolatore NOVEX | 5728 | Log/tech slide chart of plastic, 150x95x2 mm Front Scales: 14cm many scales 5.5inch Back Scales: many scales |
| IWA 01414 Hardness Walter | 5473 | Technical slide chart of plastic, 149x95x1.5 mm (4-1999) Front Scales: see picture, Back Scales: see picture |
| IWA 01423 Turning guide | 5424 | Technical slide chart of plastic, 15090x1.3 mm |
| IWA 01425 Sortenstufenwahler | 5423 | Technical slide chart of plastic, 15090x1.3 mm (2000) |
| IWA 01429 Novex Regla de Calculo Walter | 5470 | Technical slide chart of plastic, 159x65x1.8 mm (2-2001) Front Scales: see picture, Back Scales: see picture |
| IWA 01429 Novex Regla de Calculo Walter | 5471 | Technical slide chart of plastic, 159x65x1.8 mm (2-2001) Front Scales: see picture, Back Scales: see picture |
| IWA 01432 Tiefbohrtechnik | 5467 | Technical slide chart of plastic, 204x75x1.2 mm (8-2001) Front Scales: see picture, Back Scales: see picture |
| IWA 01437 Tiefbohrsysteme Botek | 5472 | Technical slide chart of plastic, 204x65x1.3 mm (7-2002) Front Scales: see picture, Back Scales: see picture |
| IWA 02118 ITT | 1421 | Technical disc of plastic, 160x1 mm (1969) Front Scales: 1) = 2), Back Scales: 3) = 4) |
| IWA 02183 Simelectro Powerduct Transoduct Miniduct | 5281 | Electrical slide chart of plastic, 237x120x1.2 mm (1984) Front Scales: See Picture Back Scales: See Picture |
| IWA 022210 Wickeldrahte und Profile | 5354 | Technical slide chart of plastic, 205x158x1.2 mm (2002) Front Scales: seepicture, Back Scales: See Picture |
| IWA 0257 Muiderkring Radio computer | 1398 | Electrical slide rule of plastic, 155x40x2.7 mm Front Scales: 14cm A = B 1) 2) C = D 3) 4) 5inch Back Scales: l2/l1 db P2/P1 = sin lg tg = table and data |
| IWA 0268 Impedance | 1399 | Log/tech slide rule of plastic, 180x45x2 mm Front Scales: 1) = 2) 3) = window 1, 2. Back Scales: 4) = 5) 6) 7) = 8) window 3, 4, 5, 6, 7. |
| IWA 0272 Muiderkring | 1400 | Generic slide rule of perspex, 231x40x2.5 mm (1963) Front Scales: K S T A = B CI C = D L 20cm Back Scales: l w f = C = L Rc = C = RL |
| IWA 0276 Ferroxcube Philips | 5750 | Aviation slide chart of plastic, 280x76x3 mm (1965) Front Scales: L C = D A = B K N cun cud nx0,07 nx0,05 nx0,04 nx0,03, Back Scales: AL L2 = N2 N1 = L1 = ZI/A = me = Tand/m = Tand &TC Tand &TC D D |
| IWA 03135 Rohrnetzrechner | 1422 | Log/tech slide chart of plastic, 280x76x3 mm |
| IWA 03176 AEG-Telefunken | 1423 | Technical slide chart of plastic, 210x67x2.5 mm |
| IWA 03285 Nilfisk Absaug- und Renigungstechnik | 5689 | Log/tech slide chart of cardboard, 205x90x1.3 mm (7-92) |
| IWA 03293 Festo Pneumatic | 5714 | Log/tech slide chart of plastic, 260x140x1.5 mm (8-96) |
| IWA 03304 Pumps Grundfos | 5466 | Technical slide chart of plastic, 204x94x1.2 mm (11-1998) Front Scales: see picture, Back Scales: see picture |
| IWA 03305 Pneumatex | 5465 | Technical slide chart of plastic, 205x95x1.3 mm (6-2000) Front Scales: see picture, Back Scales: see picture |
| IWA 03311 Valve Slide Ruler Honeywell | 5460 | Technical slide chart of plastic, 209x90x1.6 mm (6-2000) Front Scales: see picture, Back Scales: see picture |
| IWA 03314 Salmson Pumpcomputer | 5454 | Technical slide chart of plastic, 279x140x1.3 mm (12-2000) Front Scales: see picture, Back Scales: see picture |
| IWA 03316 Cryostar Pumpcomputer | 5453 | Technical slide chart of plastic, 297x140x1.6 mm (01/2002) Front Scales: see picture, Back Scales: see picture |
| IWA 0364 Denison Pumps | 5692 | Log/tech slide chart of plastic, 212x92x2 mm (1962) |
| IWA 0371 Stralenschützrechner | 1402 | Generic slide rule of plastic, 148x36x1.5 mm Front Scales: A = B C = D E |
| IWA 0399 | 1403 | Technical slide rule of plastic, 280x76x3 mm Front Scales: 1) 2) = 3) 4) 5) = 6) 7) 8) = 9) 10) = 11) Back Scales: 12) = 13) = 14) 15) 16) = 17) 18) 19) 20) = 21) 22) 23) |
| IWA 0403 Berechnung des Electrodenbedarfs | 5278 | Technical slide chart of plastic/cardboard, 210x69x1.8 mm Front Scales: See Picture, Back Scales: See Picture |
| IWA 04090 CrNi - acelok | 5350 | Technical slide chart of plastic, 210x80x1.2 mm (1994/1998) Front Scales: seepicture, Back Scales: See Picture |
| IWA 04097 Selector for Welding Esab | 5464 | Technical slide chart of plastic, 205x95x1.5 mm (8-2000) Front Scales: see picture, Back Scales: see picture |
| IWA 04100 Hardness Values Hasco | 5468 | Technical slide chart of plastic, 205x65x1.4 mm (7-2000) Front Scales: see picture, Back Scales: see picture |
| IWA 0450 Fours Electrique, Tous Combustibles, Automatiques | 5706 | Log/tech slide chart of cardboard, 210x91x2 mm (9-79) |
| IWA 05117 Eternit | 3598 | Technical slide chart of plastic, 280x90x1.5 mm |
| IWA 05119 Gewinde Tabellenschieber | 1424 | Technical slide rule of plastic, 250x651 mm (1969) |
| IWA 05136 Fisher Control Valve Sizing Mark VI E | 1426 | Log/tech slide rule of plastic, 281x41x25 mm (1968) Front Scales: 1) 2) = 3) 4) 5) 6) 7) 8) 9) = 10) 11) Back Scales: 12) 13) = 14) 15) 16) = 17) 18) |
| IWA 05149 Universal Federnrechner System Diethelm | 1428 | Generic slide rule of plastic, 281x76x3 mm (1969) Front Scales: 25cm 1) = 2) 3) = 4) = 5) 6) 7) = 8) |
| IWA 05155 | 3083 | Water supply slide chart of cardboard, 280x90x2 mm Front Scales: 1) = 2) = 3) = 4a) 4b) = 5) 6) = 7) Back Scales: 8) = 9) 10) 11) |
| IWA 05222 Toleranzschieber | 5355 | Technical slide chart of plastic, 290x100x0.9 mm Front Scales: seepicture, Back Scales: See Picture |
| IWA 05225 Schraubenwahler Bollhoff | 5455 | Technical slide chart of plastic, 249x170x1.4 mm (5-2001) Front Scales: see picture, Back Scales: see picture |
| IWA 0602 Siemens HVAC Products Acvatix | 5450 | Technical slide chart of plastic, 279x120x1.8 mm (6-2002) Front Scales: see picture, Back Scales: see picture |
| IWA 0609 AWF Berlin SR 726 | 1404 | Technical slide rule of plastic, 224x40x3.5 mm Front Scales: Qn = L = Z . Druckdifferenz = D . Nennweite |
| IWA 06116 Durchflussmesser | 5704 | Log/tech slide chart of plastic, 250x90x2 mm (2-97) |
| IWA 06116 Durchflussmesser | 5707 | Log/tech slide chart of plastic, 250x91x1.7 mm (6-92) |
| IWA 06121 Pipeline calculation | 3493 | Log/tech slide rule of PVC, 210x40x2.5 mm |
| IWA 06150 Gasrohrberechnung | 3494 | Log/tech slide chart of plastic, 250x75x2.8 mm |
| IWA 06174 Pipe lines Krom Schroder | 5457 | Technical slide chart of plastic, 204x160x1.5 mm (8-2000) Front Scales: see picture, Back Scales: see picture |
| IWA 06175 Differential pressure calculator | 5447 | Technical disc of plastic, 139x1.4 mm (2-2000) Front Scales: see picture, Back Scales: see picture |
| IWA 06176 Testo Gas | 5459 | Technical slide chart of plastic, 205x110x1.3 mm (2000) Front Scales: see picture, Back Scales: see picture |
| IWA 06178 Unipipe Syatems Heizung/ Kuhlung Wasser/ Sanitar | 5451 | Technical slide chart of plastic, 279x118x1.5 mm (6-2002) Front Scales: see picture Back Scales: see picture |
| IWA 06180 Control Valves Boatronic | 5463 | Technical slide chart of plastic, 204x94x1.8 mm (10-2002) Front Scales: see picture, Back Scales: see picture |
| IWA 06182 Stability Index Calculator G-C Converter | 5461 | Technical slide chart of plastic, 227x98x2 mm (3-2002) Front Scales: see picture, Back Scales: see picture |
| IWA 0651 Wasseragressivität | 5703 | Log/tech slide chart of plastic, 280x76x3 mm |
| IWA 0652 Gasedaten - Schieber | 5273 | Technical slide chart of cardboard, 80x220x2.2 mm Front Scales: See Picture, Back Scales: See Picture |
| IWA 0674 Regle a Culcul de Vannes | 2822 | Log/tech slide chart of plastic, 280x76x3.3 mm (1974) Front Scales: 29 scales, Back Scales: 23 scales |
| IWA 0675 Wasserrohr - Rechner SR 722 Ma | 3492 | Log/tech slide rule of PVC, 211x40x3 mm |
| IWA 0678 (Gas flow calculator) | 3495 | Log/tech slide chart of plastic, 317x65x7 mm Front Scales: 1 thru 8, Back Scales: 9 thru 13 A B CI C D |
| IWA 0678 Gulde Regelarmaturen | 3858 | Technical slide rule of plastic, 318x65x8 mm |
| IWA 0681 Kennzahlen K für Belastungswert Q von Gas-Anlagen | 3860 | Technical slide rule of plastic, 318x65x8 mm |
| IWA 0697 Calculateur de Canalisation | 3867 | Technical slide rule of plastic, 318x65x8 mm |
| IWA 07067 Carrier airconditioning | 5730 | Log/tech slide chart of plastic, 86x200x1.5 mm (1984) |
| IWA 07115 Oertli Gasbrenner - Oelbrenner | 5721 | Log/tech slide chart of plastic, 210x88x1.2 mm (1971) |
| IWA 07125 Calculateur des conduits d'air | 5699 | Log/tech slide chart of plastic, 205x90x1.2 mm (1985) |
| IWA 07141 | 1430 | Generic disc of plastic, 110x10 mm (1974) Front Scales: 0) 1) = 2) 3) = 4) 5) 6) 7) Back Scales: windows 1) 2) 3) |
| IWA 07190 Olie- en Gasbranders | 3065 | Technical slide chart of plastic, 210x77x2 mm Front Scales: 1) ..... 12), Back Scales: 13) ..... 25) |
| IWA 07209 Datenschieber bei Heitzkesseln | 3856 | Technical slide chart of plastic, 210x80x1.2 mm |
| IWA 07257 Weishaupt Brenner und Heizsysteme | 5693 | Log/tech slide chart of plastic, 280x76x3 mm (1989) |
| IWA 07262 Electro-Oil | 5710 | Log/tech slide chart of plastic, 205x95x1.2 mm (7-96) |
| IWA 07284 Danfoss Datenschieber | 5690 | Log/tech slide chart of plastic, 206x110x2 mm (10-93) |
| IWA 07297 Schadstoff Rechner Gas | 5711 | Log/tech slide chart of plastic, 205x95x1.2 mm (10-94) |
| IWA 07314 (PL) Weishaupt Palniki i systemy grzewcze | 3859 | Technical slide chart of plastic, 205x100x1 mm |
| IWA 07336 Afsluiters IMI Indoor Climate | 5462 | Technical slide chart of plastic, 204x120x1.8 mm (09/2001) Front Scales: see picture, Back Scales: see picture |
| IWA 07358 Danfoss | 5456 | Technical slide chart of plastic, 205x110x1.8 mm (1-2001) Front Scales: see picture, Back Scales: see picture |
| IWA 07367 Datenschieber Flagheitzkorper | 5360 | Technical slide chart of plastic, 250x140x1.5 mm (2002) Front Scales: See Picture, Back Scales: See Picture |
| IWA 07371 Weishaupt | 5458 | Technical slide chart of plastic, 205x100x1.3 mm (4-2002) Front Scales: see picture, Back Scales: see picture |
| IWA 0759 | 2890 | Log/tech slide rule of plastic, 280x40x3 mm Front Scales: 1 = 2, Back Scales: 3 4 = 5 = 6 7 |
| IWA 08182 Multi Master Russian Language | 5357 | Technical slide chart of plastic, 280x21x3 mm (2002) Front Scales: See Picture, Back Scales: See Picture |
| IWA 08189 Zurrkraft Controller | 5428 | Technical slide chart of plastic, 205x95x1.2 mm (2002) Front Scales: seepicture, Back Scales: See Picture |
| IWA 08191 Materialbedarf fur das Isover Warmdach | 5429 | Technical slide chart of plastic, 205x95x1.2 mm Front Scales: seepicture, Back Scales: See Picture |
| IWA 0840 Bemessungsschieber System Vielhaber | 5718 | Log/tech slide chart of plastic, 340x55x3.5 mm (1960) |
| IWA 0843 | 2677 | Log/tech slide rule of plastic, 210x40x3 mm Front Scales: 1) = 2) 3) = 4) 5) |
| IWA 0853 Dosificator Graphische Betontechnologie | 5716 | Log/tech slide chart of plastic, 251x183x8 mm (1965) |
| IWA 09102 Wire calculator | 5694 | Log/tech slide chart of plastic, 280x76x3 mm |
| IWA 09146 Rollenberechnung | 3078 | Log/tech slide rule of plastic, 180x40x3 mm Front Scales: 1) = 2) = 3) = 4) Back Scales: 5) = 6) 7) = 8) = 9) |
| IWA 09172 Rollen- Folien- und Platten - Berechnung | 1431 | Technical slide chart of plastic, 210x77 mm |
| IWA 09248 Calculation of I-shaped profiles | 3498 | Log/tech slide chart of plastic, 210x297x3 mm (1983) |
| IWA 09320 Film dimensions and film weight / Roll calculation | 5686 | Photography slide chart of plastic, 204x65x2 mm (5-95) |
| IWA 09361 Aciers de Construction et Inoxidables | 5359 | Technical slide chart of plastic, 250x130x1.5 mm (1999) Front Scales: See Picture, Back Scales: See Picture |
| IWA 09380 PUM Paris-Normandie | 5362 | Slide chart of plastic, 250x145x1.5 mm (2000) Front Scales: See Picture, Back Scales: See Picture |
| IWA 09383 Steel | 5356 | Technical slide chart of plastic, 250x90x1.3 mm (2001) Front Scales: seepicture, Back Scales: See Picture |
| IWA 09384 Oberflachentechnik | 5361 | Technical slide chart of plastic, 250x140x1.5 mm (2002) Front Scales: See Picture, Back Scales: See Picture |
| IWA 10060 - 5.81 Paper Production Calculator | 2770 | Technical slide rule of plastic, 181x55x2 mm (1981) Front Scales: 9 scales, Back Scales: °F °C ml.C.S °SR |
| IWA 10105 | 1433 | Financial disc of plastic, 120x1 mm Front Scales: 1) = 2) = 3) = 4) = 5) |
| IWA 10133 | 5414 | Financial disc of cardboard, 119x1.2 mm Front Scales: Price = -%% +%% 5.5% 6% 11% 12% |
| IWA 10175 Einheitenrechner | 1435 | Conversion slide chart of plastic, 250x92x2 mm Front Scales: 1) 2) 3), Back Scales: 4) 5) 6) |
| IWA 10175 Einheitenrechner | 5712 | Log/tech slide chart of plastic, 205x95x1.2 mm (10-94) |
| IWA 10177 | 1437 | Financial disc of cardboard, 120x1.5 mm Front Scales: 1) = % 2) |
| IWA 10177 Mit Haas gelingt es immer | 5411 | Financial disc of cardboard, 120x1.2 mm Front Scales: Preiss = -%% +%% 8% 16% |
| IWA 10179 Einheiten Rechner | 3428 | Conversion slide chart of plastic, 250x90x2 mm (1972) Front Scales: Many scales, Back Scales: Many scales |
| IWA 10193 Verbraucherpreis Rechenschieber | 1438 | Financial slide chart of plastic, 110x160x1.8 mm Front Scales: 1) 2) Back Scales: 3) 4) |
| IWA 10201 Calculateur de commandes | 2826 | Financial slide rule of plastic, 316x65x8.5 mm (1974) |
| IWA 10232 3M Einheiten-Tabellenschieber | 5698 | Log/tech slide chart of plastic, 250x111x2 mm (1976) |
| IWA 10242 Metric Unit Converter | 2833 | Technical slide chart of plastic, 250x112x2 mm (1976) |
| IWA 10243 Advertising Cost Calculator | 2831 | Financial slide chart of plastic, 130x1 mm (1976) Front Scales: 1) = 2) 3) |
| IWA 10254 Investitionsrechner | 1441 | Log/tech slide chart of plastic, 250x140x2 mm (1978) Front Scales: 1) - 4), Back Scales: 5) - 15) |
| IWA 10283 Kraftstoff Verbrauchsrechner | 5312 | Technical disc of plastic, 110x140x1.4 mm Front Scales: See Picture, Back Scales: See Picture |
| IWA 10287 Kraftstoff - Verbrauchsrechner | 5348 | Log/tech disc of plastic, 100x0.5 mm Front Scales: See Picture, Back Scales: See Picture |
| IWA 10316 Stoomverlies Rekenschuif | 5349 | Log/tech slide chart of plastic/cardboard, 160x80x1.1 mm (1982) Front Scales: See Picture, Back Scales: See Picture |
| IWA 10322 Einheitentabellenschieber | 2829 | Technical slide chart of plastic, 85x54x1 mm (1994) |
| IWA 10347 Conversion | 5371 | Conversion slide chart of plastic, 86x54x1 mm (1986) Front Scales: See Picture, Back Scales: See Picture |
| IWA 10400 Euro Calculator | 3835 | Financial disc of plastic, 54x86x1 mm |
| IWA 10413 Aussaatrechner fur 00-Qualitatsraps | 5426 | Technical slide chart of plastic, 145x95x1.2 mm |
| IWA 10421 Aussaatrechner Getreide - Reglette de semis cereales | 5425 | Technical slide chart of plastic, 140x80x1.2 mm |
| IWA 10422 Propane data Tyczka | 5469 | Technical slide chart of plastic, 204x49x1.3 mm (6-2002) Front Scales: see picture, Back Scales: see picture |
| IWA 1068 Arnel | 1409 | Financial disc of plastic, 100x1 mm Front Scales: 1) 2), Back Scales: 3) = 4) 5) 6) 7) |
| IWA 11075 Flight calculator and Flight Navigator | 6011 | Aviation disc of plastic, 240x120x6 mm |
| IWA 1133 Fahrleistungsrechner für Nutzfahrzeuge | 1410 | Technical slide chart of plastic, 210x92x2 mm Front Scales: 1) 2) 3) = 4) 5) = 6) 7) = 8) 9) = 10) 11) = 12), Back Scales: 13) = 14) 15) = 16) = 17) 18) = 19) |
| IWA 14124 S.G. Bier (Heineken) | 5720 | Log/tech slide chart of plastic, 350x76x3 mm (1978) |
| IWA 14127 CO2 in beer | 1442 | Other slide rule of plastic, 282x39x4 mm (1978) Front Scales: 1) = 2) 3) = 4) |
| IWA 14131 / 7.95 Calculator for estimation of body surface area | 3488 | Medical slide rule of ivory, 155x40x3.2 mm |
| IWA 14162 CO2 in beer | 1443 | Other slide rule of plastic, 281x40x45 mm (1982) Front Scales: 1) = 2) 3) = 4) |
| IWA 14177 Tambocor Antiarrhythmikum | 2832 | Medical disc of plastic, 95x1 mm (1982) Front Scales: 1) 2) 3) = 4) |
| IWA 14308 Die Einser von Adelat Bayer | 5700 | Log/tech slide chart of plastic, 95x205x1.8 mm (01-97) |
| IWA 14313 Soehnle bodyfit | 5726 | Medical slide chart of plastic, 170x69x2 mm |
| IWA 14359 Ermittlung der Creatinin | 5386 | Medical slide chart of plastic, 175x50x1.3 mm (2000) Front Scales: See Picture, Back Scales: See Picture |
| IWA 14359/3.00 Creatinin-Clearance | 3671 | Medical slide chart of plastic, 175x50x1 mm |
| IWA 14382 X-Ray Energies of Emission Lines and Absorption Edges | 5358 | Technical slide chart of plastic, 110x230x1.2 mm (2002) Front Scales: See Picture, Back Scales: See Picture |
| IWA 14392 Insulin Therapy | 5352 | Medical slide chart of plastic, 210x95x1.2 mm (2002) Front Scales: seepicture, Back Scales: See Picture |
| IWA 14404 Zytostatica und mehr Temodal | 5474 | Technical slide chart of plastic, 117x155x1.8 mm (4-2002) Front Scales: see picture, Back Scales: see picture |
| IWA 14412 Body Mass Index Calculator | 5427 | Medical slide chart of plastic, 205x90x1.2 mm (2002) Front Scales: seepicture, Back Scales: See Picture |
| IWA 1461 Type RS 1 | 1413 | Log/tech disc of plastic, 130x130x2.5 mm Front Scales: 1 = 2 = 3 = 4 = 5 = 6 Back Scales: 7 = 8 = 9 = 10 = 11 = 12 = 13 |
| IWA 1482 Blood Gas Calculator | 3496 | Medical slide chart of plastic, 320x90x9 mm |
| IWA 15106 Flightcomputer F/RF/TF - 104 G Con./Map | 1444 | Aviation disc of plastic, 130x2.2 mm |
| IWA 15224 Tone index calculator | 3139 | Photography slide chart of plastic, 210x76x3 mm Front Scales: 1) = 2) = 3) |
| IWA 15278 | 1448 | Photography disc of plastic, 210x1.5 mm Front Scales: 1) 2) 3) 4) 5) 6) 7) |
| IWA 15328 RPR Repro Print Rechner | 1449 | Technical slide rule of plastic, 317x65x7.2 mm |
| IWA 15363 Fueling Computer B-707 by R. Bargl | 5746 | Aviation disc of plastic, 170x3 mm (1977) Front Scales: see picture, Back Scales: see picture |
| IWA 15365 Mariner Windrechner | 1450 | Nautical slide chart of plastic, 280x140x2 mm (1977) |
| IWA 15379 Rechenstab für Saitenberechnung TF 65/2 | 1452 | Music slide rule of plastic, 380x40x32 mm (1978) Front Scales: 1) - 7), Back Scales: 8) - 10) |
| IWA 15379 TF 65/2 Rechenstab für Saitenberechnung | 5719 | Log/tech slide chart of plastic, 240x40x3 mm |
| IWA 15459 Farbwählscheibe | 5725 | Log/tech disc of plastic, 190x1.8 mm Front Scales: Colours, Back Scales: Different materials |
| IWA 15467 Lufthansa Performance Calculator B747-200/CF6-50E2 | 5749 | Aviation disc of plastic, 200x3 mm (1987) Front Scales: see picture Back Scales: see picture |
| IWA 1548 Offset | 1415 | Technical slide rule of plastic, 150x45x35 mm (1971) Front Scales: 1) = 2) 3) = 4) 5) = 6) 7) = 8) |
| IWA 15480 Kalkulator Strahlung | 3490 | Military disc of PVC, 114x2.5 mm |
| IWA 15489 Harmonik | 5701 | Log/tech slide chart of plastic, 285x80x1.3 mm (1981) |
| IWA 15512 Cocktailwähler | 2830 | Bar slide chart of plastic, 87x62x1 mm (1985) |
| IWA 15513 DC8-73 German Cargo Fueling Computer by R. Bargl | 5748 | Aviation disc of plastic, 180x2.5 mm (1985) Front Scales: see picture Back Scales: see picture |
| IWA 15525 Cocktails | 5372 | Food slide chart of plastic, 86x54x1 mm (1990) Front Scales: See Picture, Back Scales: See Picture |
| IWA 15531Lufthansa B747 C/D/E Fueling Computer by R. Bargl | 5747 | Aviation disc of plastic, 180x2.5 mm (1986) Front Scales: see picture Back Scales: see picture |
| IWA 15547 Promiller | 5370 | Medical slide chart of plastic, 54x86x1 mm (1986) Front Scales: See Picture, Back Scales: See Picture |
| IWA 15584 / 99 | 3497 | Other disc of PVC, 210x2 mm |
| IWA 15584/6 The Wine Tracker | 5422 | Food disc of plastic, 210x2 mm (1989) Front Scales: See Picture, Back Scales: See Picture |
| IWA 15595 / 04.90 Radio frequency finder | 3489 | Technical slide chart of plastic, 110x150x1 mm |
| IWA 15668 Values of Lenses | 5268 | Medical slide chart of plastic, 205x110x1.2 mm (1999) Front Scales: See Picture, Back Scales: See Picture |
| IWA 15959 Frequenzwähler | 2828 | Radio slide chart of plastic, 110x150x1 mm (1990) |
| IWA 16070 | 5724 | Generic disc of plastic, 210x2.5 mm Front Scales: C = D % % C % |
| IWA 1638 System Wern ABC | 1416 | Technical disc of plastic, 210x210 mm |
| IWA 1640 Iwaflex | 1417 | Generic slide rule of plastic, 155x40x3.5 mm Front Scales: 13cm L CF = DF CI C = D A K sin tan |
| IWA 1647 | 3091 | Financial disc of perspex, 120x1 mm Front Scales: 1) = 2) 3) = 4) = 5) |
| IWA 1647 (Aristo 60160) | 3668 | Financial disc of plastic, 120x120x1.5 mm Front Scales: C = CI % C % |
| IWA 1652 | 3088 | Financial disc of perspex, 120x2 mm (1972) Front Scales: 1) = 2) 3) = 4) 5) |
| IWA 51 Traub Drehautomaten - Rechenschieber | 5696 | Log/tech slide chart of plastic, 238x103x1.8 mm (1-1-53) |
| IWA 51173 (of 5) | 1454 | Generic slide rule of plastic, 280x76x25 mm (1960) Front Scales: 25cm A = B K L C = D BI CI A = B ST S T inch, Back Scales: 10 scales |
| IWA 5125 Iwaflex | 1425 | Generic slide rule of plastic, 149x40x1.5 mm Front Scales: K A = B CI C = D L sin sin/tg tg |
| IWA 51455 Valve Size Computer Honeywell | 1455 | Log/tech slide chart of plastic, 214x51x2 mm |
| IWA 515.6 Festo Pneumatic | 2821 | Log/tech slide chart of cardboard, 250x82x2 mm Front Scales: 10 scales |
| IWA 51508 Steinen Ölbrennerdüsen, Sundstrand - Pumpen | 5697 | Log/tech slide chart of cardboard, 204x90x1.3 mm |
| IWA 51903 Muiderkring Radio computer | 1457 | Log/tech slide rule of plastic, 155x40x1.7 mm Front Scales: 14cm A = B 1) 2) C = D 3) 4) 5.5inch Back Scales: 5) 6) 7) = sin log tg |
| IWA 51904 Muiderkring Radio computer | 1459 | Generic slide rule of plastic, 220x40x3.2 mm Front Scales: 20cm A = B 1) 2) C = D 3) 4) 8inch Back Scales: l2/l1 db P2/P1 = sin lg tg = table and data |
| IWA 51905 Muiderkring Radio Computer | 1460 | Generic slide rule of plastic, 154.5x40x2.9 mm Front Scales: 14cm A = B 1) 2) C = D 3) 4) 5inch Back Scales: l2/l1 db P2/P1 = sin lg tg = table and data |
| IWA 52310 Luftfeuchte | 1462 | Log/tech slide rule of plastic, 224x40x1.5 mm Front Scales: °C = °C 1) K = K |
| IWA 526.1 Pfauter | 2126 | Technical slide chart of plastic, 280x103 mm (1963) |
| IWA 5816 | 1429 | Log/tech disc of plastic, 109x1 mm Front Scales: 1) = 2) 3) |
| IWA 77501 Copyright Gustav Hensel | 5475 | Technical disc of plastic, 210x2 mm (9/2001) Front Scales: see picture, Back Scales: see picture |
| IWA 77505 Copyright Gustav Hensel | 5452 | Electrical slide chart of plastic, 279x120x1.5 mm (2/2000) Front Scales: see picture, Back Scales: see picture |
| IWA 790162 Multiplex GT 24 / VT 20 | 5351 | Technical slide chart of plastic, 210x80x1.2 mm (2002) Front Scales: seepicture, Back Scales: See Picture |
| IWA Belimo | 5776 | Technical slide chart |
| IWA Discoplan II | 5723 | Technical disc of plastic, 100x2 mm Front Scales: Many scales, Back Scales: Many scales |
| IWA Drill data | 5729 | Log/tech slide chart of aluminium, 148x83x3.5 mm |
| IWA Flight calculator and Flight Navigator | 6010 | Aviation disc of plastic, 240x206x6 mm |
| IWA Maihak Duplex Mono Kreisrechenschieber | 5722 | Technical disc of plastic, 83x2 mm Front Scales: CO2% = Steinkohle Abgasvelust °C Back Scales: CO2% = Braunkohle Abgasvelust °C |
| IWA matic 1650 | 1418 | Generic disc of plastic, 110x9 mm Front Scales: 1) = 2) 3) = 4) |
| IWA Professional Chainwear Gauge | 5717 | Technical slide chart of plastic, 55x335x4.5 mm (1993) |
| IWA RS 1413 Drehbank data | 6002 | Log/tech slide chart of plastic, 249x101 mm Front Scales: see picture, Back Scales: see picture |
| IWA RS 150 Schleifscheibe | 1414 | Technical slide chart of cardboard, 265x102x6 mm |
| IWA RS 165 VDF Drehbank | 5702 | Log/tech slide chart of plastic, 241x127x3.2 mm |
| IWA RS 169 1 Schleifscheibe | 1420 | Technical slide chart of cardboard, 180x95x2 mm |
| IWA RS 209 I Stahlbeton Tabellenschieber | 5715 | Technical slide chart of plastic, 308x132x2.5 mm |
| IWA RS 517.2 Rieger Pappen Tabellenschieber (Paper) | 5695 | Technical slide chart of plastic, 208x104x4 mm |
| IWA SBF 15214 Well Calculator | 1446 | Log/tech slide chart of plastic, 210x90x2 mm (1974) Front Scales: 1 = 2 3 = 4 = 5 6 = 7 = 8 9 10 Back Scales: 1 = 2 3 = 4 = 5 6 = 7 = 8 9 10 |
| IWA School Food Service Palm Beach County | 5477 | Medical disc of plastic, 10.5x1.2 mm Front Scales: see picture, Back Scales: see picture |
| IWA SR 701 M Sonderrechenstab Maschinenzeit | 1407 | Log/tech slide rule of plastic, 218x40x4.4 mm Front Scales: v = d 1) = s t = l |
| IWA Stuttgart (written as JWA) Fahr factory | 5688 | Log/tech slide chart of cardboard, 217x77x1.5 mm (1932 1933) |
| IWA Willi Rohrleitungen | 2775 | Log/tech slide chart of plastic, 254x118x3 mm Front Scales: Many scales, Back Scales: Many scales |