36
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
37
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
38
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
39
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
40
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
41
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
42
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
43
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
44
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
45
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
46
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
47
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
48
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
49
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
50
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
51
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
52
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
53
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
54
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
55
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
56
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
57
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
58
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
59
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
60
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
61
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
62
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
63
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
64
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
65
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
66
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
67
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
68
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
69
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
70
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
71
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
72
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
73
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
74
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
75
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
76
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
77
Standard glass slide: 3¼ inches (83mm) square
Unknown
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Unknown
78
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
79
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
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80
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown