James W. Queen & Co. (Philadelphia, PA)
Queen & Co.'s Time and Instantaneous Drop Shutter
Photographic Materials 1889, James
W. Queen & Co. (Philadelphia, PA), 1889, pp. 41-44
Obverse, Cocked and Ready
Obverse, Released
Reverse (towards the camera), Cocked and
Ready
Reverse, Released
Queen's Stamp on Frame
Notes: This
shutter has a brass part engraved: "Jas. W. Queen & Co. / Pat. Applied
For", but it is not in the 1891 Queen & Co. catalog.
References:
Photographic Materials 1889, James
W. Queen & Co. (Philadelphia, PA), 1889, pp. 41-44
