Bromide Prints—Perhaps I cannot do better than quote from an old manifold writer before me, written up at the end of an undertaking of such a magnitude as I, for one, will never attempt agai Six hundred photos lie in a cupboard ready for use. Rate of work—30 an hour under favourable conditions.
Given a negative, experiment on exposure required. The very clearest negatives may take 15 seconds; the dense ones, 5 minutes with a small lamp such as is sold in native shops, at the distance of a foot from the printing frame. If the exposure has been too short, the Son will de one out without greying the paper. too long, the col will' be drab and not grey black (though novative of very strong contrast may be improved by a little overexposure and underdevelopment). The same principle applies to lantern slides. In these it is all important to get a clear ground.
V.B.—Have a little clock or " watch with second hand before you. Otherwise the counting is apt to become involuntary when you are at other things. The elder D'Israeli toward the close of his life had
Text read from the printed page and cleaned; old type leaves the occasional error.