_Glass Chambers for Photography._--I am desirous to construct a small glass
chamber for taking portraits in, and shall be much obliged if you can
assist me by giving me instructions how it should be constructed, or by
directing me where I shall find clear and sufficient directions, as to
dimensions, materials, and arrangements. Is it essential that it should be
all of violet-coloured glass, ground at one side, as that would add a good
deal to the expense? or will white glass, with thin blue gauze curtains or
blinds, answer?
Probably a full answer to this inquiry, accompanied with such woodcut
illustrations as would be necessary to render the description complete, and
such as an artificer could work by, would confer a boon on many amateur
photographers, as well as your obliged servant,