This is a Stanley drafting ruler that was made in England. It was used by municipal engineers of the Syonan Tokubetusi (Singapore Special Municipality) during the Japanese Occupation from 1942 to 1945.
This is a Stanley drafting ruler that was made in England. It was used by municipal engineers of the Syonan Tokubetusi (Singapore Special Municipality) during the Japanese Occupation from 1942 to 1945.