This section is from the book "Complete Self-Instructing Library Of Practical Photography", by J. B. Schriever. Also available from Amazon: Complete Self-Instructing Library Of Practical Photography.
A branch of photography whereby instantaneous pictures are made at night by the aid of flash powder in some form placed in a convenient receptacle.
The method of obtaining a photographic image by means of a small hole made by a needle in a metal plate instead of by means of a lens.
A photographic process of reproduction giving prints which are intended to resemble fine copper-plate engravings.
A photo-engraving process by means of which a bichromated gelatin image is placed on a lithographic stone, the reproduction being taken from this in ink by impression, in the manner of an ordinary lithograph.
A process of enlarging minute objects by means of the microscope and reproducing the large image by photography.
(See Salts, Haloid.)
A term applied to a substance which is sensitive to light.
Coloring matter incorporated with sensitive material and forming the image in the carbon and similar processes.
Pinatype Three-Color Process - VIII.
Minute, transparent spots or holes in the negative, usually caused by dust.
Plain Salted Paper. (See Paper, Salted.)
(See Perspective, Plane.)
(See Lens, Concave, Piano.)
(See Lens, Convex, Piano.)
(See Calcium Sulphate.)
(See Lens, Plastigmat.)
A photographic term generally applied to the support for the sensitive emulsion in various processes, such as Daguerreotype-plate, collodion-plate, dry-plate, ferrotype-plate, etc.
An attachment for film cameras enabling the use of plates.
A light tight box or receptacle in which the sensitive photographic plate may be placed either before or after exposure.
(See Holder, Plate.)
A contrivance for raising the negative during development. Used to avoid staining the hands.
A rack in which plates may be placed to dry. Generally termed negative drying rack.
Mounts having a center portion pressed or sunken in.
An arrangement for holding (a) a glass plate in position for polishing, or (b) a lantern-slide with cover-glass in position for binding.
A coating of light absorbing or non-reflecting material, applied to the back of a plate to prevent halation. (See Halation.)
When desired to cut a dry-plate, lay it, film side down, on a perfectly clean sheet of lintless paper, and proceed to cut in the same manner as ordinary glass. Of course it is necessary to do this in the dark-room.
 
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