1
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
1a
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
2
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
2a
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
3
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
4
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
5
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
6
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
7
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
7a
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
8
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
8a
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
9
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
9a
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
10
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
10a
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
11
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
12
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
13
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
14
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
15
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
15a
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
16
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
16a
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
17
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
18
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
18a
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
19
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
20
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
21
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
22
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
23
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
24
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
24a
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
25
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
26
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown
27
Standard glass slide: 3¼ inches (83mm) square
Unknown
Photography
Unknown