Developing device

A developing device for developing a photographic film for still cameras, said device comprising

• a film magazine containing a film wind-back spool on which the film is wound, said film magazine having a film outlet adapted for the passage of the film therethrough and said spool having an end portion which projects downwardly from said magazine,
• a developing tank body having a cylindrical portion with an open upper end and a bottom portion to receive a developer liquid and the film magazine therein, and
• a handle which has an engaging portion which releaseably engages said spool, said handle also having an arm portion radially extending outward from said engaging portion to be rotated by the hand so that said spool can be rotated back and forth and thereby effect development of said film by the developer liquid which passes into said magazine,
• said cylindrical portion of the developing tank being provided on the inner surface thereof with a surface irregularity to be engaged with the film outlet of the film magazine to prevent the film magazine put therein from being rotated therein,
• said bottom portion of the developing tank being provided at the center thereof with a recess to receive the downwardly projected end of the spool of the film magazine so that the entire bottom portion of said magazine is substantially adjacent to said bottom portion of the developing tank body to thereby optimize the usage of said developer liquid.