拍品專文
The Photography Annual described Beck's camera as being so well known that comment is needless. Everything is done from outside except drawing the shutter or dark slide.
細節
R. & J. BECK LTD., London
A quarter-plate detective boxform camera no. 450 with a removable lens section comprising a Newman's patent shutter and Beck 5 x 4 Rectalinear lens no. 3946, four internally contained darkslides, and focusing screen.
A quarter-plate detective boxform camera no. 450 with a removable lens section comprising a Newman's patent shutter and Beck 5 x 4 Rectalinear lens no. 3946, four internally contained darkslides, and focusing screen.
出版
Henry Sturmey (editor), Photography Annual 1891, p. 291.