A dictionary of photography for the amateur and professional photographer (1889)
Wall, E. J. (Edward John), 1860-1928 · New York : E. & H.T. Anthony · leaf 71
through the negative, the lens being turned into the room ; should any stray particles of actinic light find their way in at this place, wrap the focussing cloth round the back of the camera. Outside the window must be placed a white card or mirror, at an angle of 45 degs., so as to reflect the… … Fig. 1. — zvWf window; H uncovered space for negative; r, the card or mirror as a reflector ; c, the camera > b, table or board up on which camera rests; e, easel or board supporting the sensitive paper.
Photography
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