拍品专文
Invented by Herman Casler.
细节
E. B. KOOPMAN, U.S.A.
A 1½ x 1½ inch The Presto hand camera with metal body, top-plate mounted film or plate advance, front mounted wheel stops and internal four plate holder.
A 1½ x 1½ inch The Presto hand camera with metal body, top-plate mounted film or plate advance, front mounted wheel stops and internal four plate holder.