Atlas/Booklet of the Japanese Empire, 1943 Allison There are 10 clear plastic

There are 10 clear plastic templates

but the MIL-G-7734 spec on its data label is evidence that this one was produced after WW2

the pointer indicates altitude along the inner green scale

Fuel Quantity

Atlas/Booklet of the Japanese Empire, 1943 Allison There are 10 clear plasticThis is a 25 page educational booklet, including foldouts, (approx 11 inches by 9 inches) containing maps and geographical reference information regarding the Japanese Empire circa 1943, as produced or distributed by the Japanese Ministry of Foreign Affairs. It appears to be published for use in education or public affairs*. The booklet contains maps of Japan and its major home islands, Korea, Formosa (Taiwan), the western Pacific region, and Mercator