A B C D E F G H J K L M Z Instruments and Devices. Applied Mathematics Show slides Calculating machines Model 486 L I 35 Model 490 L I Model 491 L I Model 492 L I Model 493 L I Model 494 L I Model 495 L I Model 496 L I Model 497 L I Model 498 L I Model 499 L I Model 500 L I Model 502 L I 1 Model 503 L I 2 Model 504 L I 3 Model 505 L I 4 Model 506 L I 5 Model 507 L I 7 Model 508 L I Model 509 L I 8 Model 511 L I 10 Model 512 L I 11 Model 590 L I 6 Model 591 L I 16 Model 695 L I 17 Model 862 L I 18 Model 906 L I 29 Model 907 L I 30 Model 908 L I 31 Model 909 L I 32 Model 910 L I 33 Model 938 L I Model 1368 L I 12 Model 1369 L I 16 Model 1370 L I 15 Model 1371 L I 14 Model 1617 L I 23 Model 1618 L I 23 Model 1619 L I 23 Model 1620 L I 23 Model 1621 L I 24 Model 1622 L I 24 Model 1623 L I 24 Model 1624 L I 24 Model 1625 L I 24 Model 1626 L I 24 Model 1627 L I 24 Model 1628 L I 25 Model 1629 L I 25 Model 1630 L I 25 Model 1631 L I 25 Model 1632 L I 25 Model 1633 L I 25 Model 1634 L I 25 Model 1635 L I 26 Model 1636 L I 26 Model 1637 L I 26 Model 1638 L I 27 Model 1639 L I 27 Model 1640 L I 27 Model 1641 L I 27 Model 1642 L I 27 Model 1643 L I 27 Model 1644 L I 27 Model 1645 L I 27 Model 1646 L I 27 Model 1647 L I 28 Model 1648 L I 28 Model 1649 L I 28 Model 1701 L I 19 Model 1702 L I 19 Model 1703 L I 19 Model 1704 L I 19 Model 1705 L I 19 Model 1706 L I 19 Model 1707 L I 19 Model 1715 L I 20 Model 1716 L I 20 Model 1717 L I 20 Model 1718 L I 20 Model 1725 L I 21 Model 1726 L I 21 Model 1727 L I 21 Model 1728 L I 21 Model 1729 L I 21 Other calculating devices Model 487 L II Model 489 L II Model 513 L II 1 Model 514 L II 2 Model 515 L II 3 Model 516 L II 4 Model 517 L II 5 Model 519 L II 7 Model 520 L II 8 Model 543 L II 10 Model 550 L II 11 Model 584 L II 12 Model 867 L II Model 869 L II Model 870 L II Model 871 L II Model 900 L II 15 Planimeters, integraphs, harmonic analysis Model 405 L III 44 Model 469 L III 45,45a Model 501 L III 2 Model 523 L III 1 Model 525 L III 3 Model 526 L III 5 Model 527 L III 4 Model 528 L III 6 Model 529 L III 7 Model 531 L III 8 Model 532 L III 9 Model 534 L III 11 Model 535 L III 12 Model 536 L III 13 Model 537 L III 14 Model 538 L III 15 Model 548 L III 16 Model 553 L III 21 Model 556 L III 17 Model 556 L III 17a Model 557 L III 18 Model 560 L III 19 Model 560 L III 20 Model 564 L III 22 Model 574 L III 27 Model 1102 L III 24 Model 1103 L III 25 Model 1104 L III 29 Model 1105 L III 30 Model 1106 L III 31 Model 1109 L III 32 Model 1110 L III 33 Model 1111 L III 34 Model 1112 L III 35 Model 1113 L III 36 Model 1114 L III 37 Model 1115 L III 38 Model 1116 L III 39 Model 1117 L III 40 Model 1352 L III 23 Model 1356 L III 41 Model 1357 L III 26 Model 1358 L III 22 Model 1360 L III 42 Model 1361 L III 43 Model 1583 L III 28 Drawing devices Model 521 L IV 45 Model 524 L IV 7 Model 540 L IV 1 Model 542 L IV 2 Model 544 L IV 3 Model 545 L IV 4 Model 546 L IV 5 Model 547 L IV 6 Model 549 L IV 8 Model 551 L IV 16 Model 552 L IV 9 Model 554 L IV 10 Model 555 L IV 11 Model 558 L IV 12 Model 559 L IV 13 Model 561 L IV 14 Model 562 L IV 15 Model 563 L IV 17 Model 565 L IV 18 Model 576 L IV 25 Model 577 L IV 44 Model 578 L IV 27 Model 579 L IV 28 Model 580 L IV 29 Model 581 L IV 30 Model 582 L IV 31 Model 583 L IV 32 Model 592 L IV 33 Model 830 L IV 39-42 Model 831 L IV 39-42 Model 832 L IV 39-42 Model 833 L IV 39-42 Model 834 L IV 43 Model 835 L IV 36 Model 836 L IV 37 Model 868 L IV Model 879 L IV 46 Model 880 L IV 47 Model 881 L IV 48 Model 894 L IV 49 Model 904 L IV 50 Model 1353 L IV 19 Model 1354 L IV 20 Model 1355 L IV 21 Model 1359 L IV 23 Model 1362 L IV 34 Model 1372 L IV 35 Nomography Model 449 L V 12 Model 450 L V 11 Model 572 L V 7 Model 585 L V 9 Model 586 L V 10 Model 960 L V 12 Photogrammetry Model 588 L VI 19,20 Model 1266 L VI 1 Model 1267 L VI 2 Model 1268 L VI 3 Model 1269 L VI 4 Model 1270 L VI 5 Model 1271 L VI 6 Model 1272 L VI 7 Model 1273 L VI 8 Model 1274 L VI 9 Model 1275 L VI 10 Model 1276 L VI 11 Model 1277 L VI 12 Model 1278 L VI 13 Model 1279 L VI 14 Model 1280 L VI 15 Model 1281 L VI 16 Model 1282 L VI 17 Model 1341 L VI 18 Model 1520 L VI 21 Others Model 338 L XX 4 Model 344 L XX 5 Model 444 L XX Model 488 L XX Model 530 L XX 1 Model 539 L XX 2 Model 541 L XX 3 Model 860 L XX 29 Model 882 L XX 30 Model 892 L XX 31 Model 899 L XX 33 Model 929 L XX 34 Model 1340 L XX 13 Model 1521 L XX 7 Model 1522 L XX 8 Model 1523 L XX 9 Model 1526 L XX 10 Model 1527 L XX 11 Model 1561 L XX 14 Model 1562 L XX 15 Model 1563 L XX 16 Model 1564 L XX 17 Model 1565 L XX 18 Model 1566 L XX 19 Model 1567 L XX 20 Model 1568 L XX 21 Model 1569 L XX 22 Model 1570 L XX 23 Model 1571 L XX 24 Model 1572 L XX 25 Model 1573 L XX 26 Model 1574 L XX 27 Model 1575 L XX 28