| 1910 catalog page with B & L Automatic and Deckel Compound|
scanned by Mario Groleau (Image rights)
The Compound is a long-lived series of leaf shutters that were made by the German company F. Deckel, based in Munich. The Compound appeared in 1902 and is equipped with a piston and cylinder device to control the speed timing.
- ↑ Shunkan o torae-tsuzukeru shattā-ten, p. 5.
- Kamera no mekanizumu sono I: "Hai! Chīzu" Shunkan o torae-tsuzukeru shattā-ten (カメラのメカニズム・そのⅠ・「ハイ！チーズ」瞬間をとらえ続けるシャッター展, Camera mechanism, part 1 "Cheese!" Exhibition of instant taking shutters). Tokyo: JCII Camera Museum, 2002. (Exhibition catalogue, no ISBN number)