The Dictionary Of Photography

A True Historic Record Of The Art & Practice Of Photography 100 Years Ago.

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may be utilised; it is suggested by Major Barrington Baker, in the British Journal of Photography for 1888. Fig. 57 is a rough reproduction of Major Baker's diagram, and the following precis is given of his directions. The case is made of deal, with a hole, n,for negative, or made the size
desired, l, a Beige lamp of 42-candle power, is placed in the case through the door d, half a dozen holes (a a) being bored in the bottom of the box for ventilation. An opal globe is used to diffuse the light; the negative is placed film side outwards in a rebate at n, and held in its place by two small turn-buckles ; the
Fig. 57-
camera may be used, or a specially made pair of bellows. The exposure is, of course, prolonged with rapid papers, being from 10 to 15 mins. The author would suggest as an improvement upon this that the case be lined throughout with tin, and a sheet of ground glass or opal be placed before the negative, and that a parabolic reflector be used. Some of the modern cameras will be found utterly useless for enlarging, the pull of the bellows, or the greatest distance they will stretch, being very short; then the following arrangement, now used by the author, will take their place: - Obtain some black twill, 1 yard in width and length, and cut it into four pieces in the following manner (it is better to cut paper pattern first, in case of error): - Fold the