400
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
401
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
402
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
403
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
404
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
405
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
406
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
407
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
408
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
409
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
410
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
411
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
412
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
413
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
414
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
415
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
416
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
417
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
418
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
419
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
420
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
421
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
422
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
423
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
424
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
425
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
426
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
427
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
428
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
429
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
430
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
431
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
432
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
433
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
434
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
435
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
436
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
437
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
438
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
439
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
440
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
441
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
442
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
443
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
444
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
445
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
446
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
447
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
448
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
449
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
450
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
451
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
452
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
453
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
454
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
455
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
456
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
457
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
458
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
459
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
460
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
461
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
462
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
463
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
464
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
465
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
466
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
467
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
468
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
469
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
469a
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
469b
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
470
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
471
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
472
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
473
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
474
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
475
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
476
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
477
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
478
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
479
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
480
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
481
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
482
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
483
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
484
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
485
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
486
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
487
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
488
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
489
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
490
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
491
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
492
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
493
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
494
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
495
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
496
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
497
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
498
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
499
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
500
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
501
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
502
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
503
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
504
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
505
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
506
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
507
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
508
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
509
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
510
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
511
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
512
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
513
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
514
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
515
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
516
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
517
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
518
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
519
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
520
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
521
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
522
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
523
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
524
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
525
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
526
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
527
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
528
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
529
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
530
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
531
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
532
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
533
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
534
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
535
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
536
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
537
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
538
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
539
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
540
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
541
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
542
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
543
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
544
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
545
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
546
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
547
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
548
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
549
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
550
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
551
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
552
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
553
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
554
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
555
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
556
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
557
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
558
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
559
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
560
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown
561
Standard glass slide: 3¼ inches (83mm) square
Photograph
Photography
Unknown