Wilson's quarter century in photography : a collection of hints on practical photography which form a complete text-book of the art . 110 Wilsons quarter century in photography. The combined head-screen and point of sight has been much in use. Ofthe former the standard is 6 feet high, 2 inches wide, and | inch thick. Tliefeet are 2 feet long, 2 feet wide, and f inch thick. The braces are IJ incheswide and f inch thick. The screen-frame is 22 x 26 inches outside, f inchthick, and the handle 22 inches long by 1J inches wide by f inch thick. Operation.—Fig. 118 shows the screen as it is when not
Wilson's quarter century in photography : a collection of hints on practical photography which form a complete text-book of the art . 110 Wilsons quarter century in photography. The combined head-screen and point of sight has been much in use. Ofthe former the standard is 6 feet high, 2 inches wide, and | inch thick. Tliefeet are 2 feet long, 2 feet wide, and f inch thick. The braces are IJ incheswide and f inch thick. The screen-frame is 22 x 26 inches outside, f inchthick, and the handle 22 inches long by 1J inches wide by f inch thick. Operation.—Fig. 118 shows the screen as it is when not in use. Fig. 119shows tlie screen in position. It is hinged at a to a little block, and that isfastened with a shoulder-screw to the standard, which allows it to be turned Fig. 118 Fig. 119. Fig. either way as you wish ; and it being balanced by the weight B with the stringwhich goes through the two screw-eyes C and D, attached to the handle nextto the screen, allows it to move up and down and to stop at any point. The stand is that of an ordinary head-rest, and on the rod is placed the arrangementshown in the cut (Fig. 117), the whole being fitted so as to turn as desired. The rodwhich passes through the ball has the screen on one end, and a small weight on the otherto balance it, so that it may be placed horizontally or inclined, either way, and it retainsits position.—J. S. Mason. The advantage of the portable screen and stand over the usual blinds or curtains istwofold—first, the rapidity with which changes in the mode of lighting can be made;and secondly, the convenience of having a screen always at hand ready for use in anyposition and in any place, suitable to be employed in any unforeseen emergency. Itfrequently happens that some considerable adjustment and readjus
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Keywords: ., bookcentury1800, bookdecade1880, bookidwilsonsquart, bookyear1887
