| NAME | MATCH NR. |
DESCRIPTION |
| Ladish Calculator Pipe Design Pressures | 1563 | Log/tech slide chart of plastic, 212x83x2 mm (1964) Front Scales: 8 scales, Back Scales: 12 scales |
| Landis Tool company Grinding machines | 1564 | Technical disc of plastic, 79x3.5 mm |
| Lange log and % Calculator | 1565 | Generic disc of cardboard\plastic, 204x4.2 mm Front Scales: % A = B, Back Scales: % C = % |
| Lange log and % Calculator | 5531 | Generic disc of cardboard\plastic, 204x4.2 mm Front Scales: % A = B, Back Scales: % C = % |
| Lange log and % Calculator 102 | 2884 | Generic disc of cardboard\plastic, 204x4.2 mm Front Scales: % A = B, Back Scales: % C = % |
| Laring Paris Sector | 1568 | Generic sector of brass, 166x30x3 mm |
| Lawrence 011 | 3863 | Generic slide rule of all wood, 267x29x9 mm Front Scales: A = B CI C = D K, Back Scales: = S L T = |
| Lawrence 10 - B | 1570 | Generic slide rule of all wood, 255x28.8x9 mm Front Scales: A = B CI C = D K |
| Lawrence 250 - BT | 1574 | Generic slide rule of all wood, 265x29x9 mm Front Scales: A = B CI C = D K, Back Scales: = S L T = |
| Lawrence 6 - 0 w Flashrule | 1573 | Photography slide rule of all wood, 153x28x8.5 mm (1946) Front Scales: 1) = 2)- 6) 7) = 8) |
| Lawrence 8 - B | 1569 | Generic slide rule of all wood, 204x29x9 mm Front Scales: A = B CI C = D K |
| Linex 1253 | 1580 | Generic slide rule of plastic, 150x33x3.5 mm Front Scales: 5inch A = B CI C = D 14cm |
| Lios Tiefenrechner F 105 mm (System Ferschel) | 3832 | Photography disc of aluminium, 80x1.5 mm |
| Lios Tiefenrechner F 120 mm (System FerscheL) | 3475 | Photography disc of aluminium, 80x1.5 mm |
| Lios Tiefenrechner F 135 mm System Ferschel | 3470 | Photography disc of aluminium, 80x1.5 mm |
| Lodge & Shiply Lathe | 1585 | Log/tech disc of plastic, 89x3.5 mm |
| Logarecta | 3652 | Financial disc of aluminium, 120x1 mm |
| Losztályu Logar MSZ 4617 57 | 1692 | Generic slide rule of wood/plastic, 297x39.4x11.5 mm Front Scales: 27cm lg / K A = B CI C = D P ] sin tg Back Scales: = LL1 LL2 LL3 = |
| Lovelace Foundation Nuclear Bomb Effects Comp. | 1693 | Military disc of plastic, 130x1 mm (1962) |
| Lummert SR 726 Sonderrechenstab | 2766 | Log/tech slide rule of plastic, 224x40x3 mm |
| Lutz 102 S | 1694 | Generic slide rule of plastic, 314x41x7 mm Front Scales: S K A = B CI C = D L T |