This section is from the book "Scientific American Reference Book. A Manual for the Office, Household and Shop", by Albert A. Hopkins, A. Russell Bond. Also available from Amazon: Scientific American Reference Book.
6½X 9 | cm | |
9 X12 | ||
12 X15 | ||
13 X18 | ||
12 X20 | ||
15 X21 | ||
15 X22 | ||
18 X24 | ||
21 X29 | ||
24 X30 | ||
27 X33 | ||
27 X35 | ||
30 X40 | ||
40 X50 | ||
50 X60 |
2.5X 3.6 | inches |
3.6X 4.7 | |
4.7X 5.9 | |
5.1 X 7.0 | |
4.7X 7.8 | |
5 9X 8.2 | |
5.9X 8.6 | |
7.0X 9.4 | |
8.2X10.6 | |
9.4X11.8 | |
10.6X12.9 | |
10.6X13.7 | |
11.8X15.7 | |
15.7X19.6 | |
19.6X23.6 |
 
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