Ichikawa Seisakusho (市川製作所) was perhaps a Japanese camera maker in the early 1940s. The Semi Metax 4.5×6 folder is attributed to this company in an official price list dated November 1941.
↑ "Kamera no kōtei kakaku kanpō happyō", November 1941, type 3, section 7A.
"Kamera no kōtei kakaku kanpō happyō" (カメラの公定価格官報発表, Official announcement of the set prices of the cameras), November 1941. Extract of a table listing Japanese camera production and setting the retail prices, reproduced in "Bebī Semi Fāsuto 'Kore ha bebī wo nanotta semi-ki da'" (ベビーセミファースト"これはベビーを名乗ったセミ機だ", Baby Semi First, 'this is a Semi camera called Baby'), an article by Furukawa Yasuo (古川保男) in Camera Collectors' News no. 277 (July 2000). Nishinomiya: Camera Collectors News-sha. P. 27. Type 3, section 7A.
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