VIEW ALL GALLERY BESIDES PICTURE UNDERMANTION
VIEW ALL GALLERY BESIDES PICTURE UNDERMANTION

Sunday, April 17, 2011

The 20cLC1E3b and the 20cLC1L1 papers

Here is the 1E3b. It has a square grid.









Here are several 1L1s. The 1L1 has a rectangular symmetrical thread scheme same as the 1E1 of 1936 and the 1E3a of 1939.

























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