The photographer's note-book and constant companion : containing 250 practical hints, formulae, expedients, etc., etc. (1897)
Lambert, F. C. (Frederick Charles) compiler · London : Hazell, Watson, & Viney Ld., 1, Creed Lane, Ludgate Hill · leaf 55
walls of the travelling bag there should always be some elastic material, clothes, etc. For this purpose nothing is better than such things as flannels or cloth clothes, with socks, etc., for plugging the corners so that nothing can move about during transit. 169. MASK OPENINGS FOR THE FOCUSSING… … notice substitute one for the other. The accompanying sketch will make this matter quite simple and clear. We are looking at the ground-glass, inside of the focussing screen ; the dotted portion is the opaque card mask with clear opening showing the ground-gla«s. The small turn-buttons are fixed on…
