| NAME | MATCH NR. |
DESCRIPTION |
| Habs Rechenmaschine | 3423 | Generic cylinder of wood/paper, 220x15 mm |
| Halden Calculex | 1362 | Generic watch type of metal/glass, 60x7 mm Front Scales: L A = B 1) C, Back Scales: S A = B z3n |
| Halliburton Cementing calculator | 1363 | Log/tech slide chart of plastic, 205x84x2 mm (1960) Front Scales: A B C D C1 E F G H J |
| Hartstichting Caloriewijzer | 5419 | Medical disc of cardboard, 170x0.8 mm Front Scales: See Picture, Back Scales: See Picture |
| Heinevetters Stabrechner Art. Nr. 66 | 1373 | Generic slide rule of plastic, 215x40x2 mm Front Scales: I II C = D 1), Back Scales: = 1:25 1:50 = |
| Hewitson Protractor | 2721 | Calculate protractor of bone, 152x42x1.8 mm |
| Higgison Maker Carpenters rule | 1377 | Generic 2 fold rule of all wood, 305x21x3.2 mm Front Scales: scale 100-0 [ A = B C = D === tables with data, Back Scales: 0-12inch / 9inch 12x3/4inch === 18x1/2inch 38x1/4inch 12-24inch |
| Hiltpold System Ing E.W. Hiltpold Zuerig | 3667 | Generic disc of plastic, 99.5x(75)x1 mm Front Scales: A = B = C = D = L 360° Back Scales: K S T ST 7cm |
| HMAK Skyderegnestok M / 66 for 120 mm morter M / 50 FA BGR M/50 RGR M/56 | 3538 | Military slide rule of plastic, 321x68x7 mm Front Scales: 6 5 4 = HS = 2 1 0 |
| HMAK Skyderegnestok M / 66 for 120 mm morter M / 50 FA BGR M/50 RGR M/120 | 3539 | Military slide rule of plastic, 321x68x7 mm Front Scales: 6 5 4 = HS = 2 1 0 |
| Holland NV Stalen Steiger | 5261 | Technical slide chart of plastic, 218x72x2.5 mm Front Scales: See Picture, Back Scales: See Picture |
| Hono 125 Rietz Jap | 1380 | Generic slide rule of plastic, 145x43x4 mm Front Scales: 13cm B3 S B2 = b2 a b = R T L |
| Hono 300 S.R.E ELEKTRON 25 - No 670 | 3831 | Electrical slide rule of plastic, 298x49.5x4 mm Front Scales: S T F A = B CI C = D P R _ Back Scales: I/I0 db P/P0 = = 3 tables |
| Hono 9/314 Regolo Calcolatore | 3643 | Generic disc, 94x2 mm Front Scales: C = D = A K |
| Hope 51 | 1381 | Generic slide rule of plastic, 285x40x3.5 mm Front Scales: S K A = B CI C = D L T |
| Hope 53 | 3437 | Generic slide rule of plastic, 151x27x3 mm Front Scales: A = B CI C = D K |
| Hope 54 | 2856 | Generic slide rule of plastic, 151x27x4 mm Front Scales: A = B CI C = D K, Back Scales: = S L T = |
| Hope 57 | 1382 | Generic slide rule of plastic, 150x37x4.2 mm Front Scales: 13cm / A = B CI C = D K \ 5inch Back Scales: = S L T = |
| Horman Drainagefilter by K. Dekker and G.A. Ven | 5418 | Technical disc of cardboard, 139x190x0.8 mm (1982) Front Scales: Distance = meter |
| Hostmann Farbverbrauchtabelle | 5307 | Technical slide chart of aluminium, 170x125x1 mm Front Scales: See Picture, Back Scales: See Picture |
| Hottinger Baldwin MesstechnikType RS 1 | 3862 | Log/tech disc of plastic, 130x130x2.2 mm |
| Hour disc | 5430 | Disc of celluloid/cardboard, 100x100x0.4 mm |
| House of Vision Distometer Lens calculator | 5403 | Medical disc of plastic, 149x1 mm Front Scales: Power of trial lens = mm mm |
| Hunter F. 6 (Clean) | 3873 | Aviation disc of plastic, 101x1 mm |
| Hydrographic Office Star Finder and Identifier 2102 - C | 1385 | By Dura Pro, aviation disc of plastic, 218x0.8 mm (1942) Front Scales: 1) Back Scales: 2) |
| IDO/CWI Breda STl-whm. Year 1954 | 1387 | By CWI Breda, military slide rule of plastic, 63x294x2 mm (15 Dec 1954) Front Scales: 1) 2) 3) 4) 5) 6) 7) 8) Back Scales: 9) 10) 11) 12) 13) 14) 15) 16) |
| Ilford Slide rule for calculation of photo developing time | 1389 | Photography slide rule of plastic, 298x71x2 mm |
| ILH | 5753 | By I.L.H., generic slide rule of wood/plastic |
| Imac Schroefdraad schuiftabel | 1390 | Technical slide chart of cardboard, 223x81x1 mm |
| Inland Revenue D.W.P Calendar 1992/1993 and 1993/1994 | 5406 | Generic disc of plastic, 95x1.5 mm Front Scales: dates weeks |
| Institute for Aeronautical Education ER - 1 Professional Flight Computer | 5060 | Aviation disc |
| Interservices Water Contamination Calculator 1 | 1392 | Log/tech disc of plastic, 125x1.8 mm Front Scales: 1) 2) = 3) 4) = 5) 6) |
| IPV Merlin Règle de Lecture Directe | 5287 | Electrical slide chart of cardboard, 260x100x1.1 mm Front Scales: See Picture, Back Scales: See Picture |