. Photographic pastimes : a series of interesting experiments for amateurs for obtaining novel and curious effects with the aid of the camera. which is advanta-geous for amateurs who have most leisurefor work in photography in the evening;besides, the originals may with muchmore ease be evenly illuminated byartificial light. The time of exposure,owing to the sensitiveness of the plates,is not much increased. (8.) New oil paintings are covered, in thefirst instance, with a coating of albumen*as evenly as possible. The albumen musthave been well beaten up previously toits application. Old and pa
. Photographic pastimes : a series of interesting experiments for amateurs for obtaining novel and curious effects with the aid of the camera. which is advanta-geous for amateurs who have most leisurefor work in photography in the evening;besides, the originals may with muchmore ease be evenly illuminated byartificial light. The time of exposure,owing to the sensitiveness of the plates,is not much increased. (8.) New oil paintings are covered, in thefirst instance, with a coating of albumen*as evenly as possible. The albumen musthave been well beaten up previously toits application. Old and partly-fadedpaintings are brushed over with glycerineby means of a soft sponge, t * The commercial French varnish, which may be diluted asrequired by spirit, answers better. t Instead of g;lycerine, petroleum may be used with advantage forequalising the gloss of the painting—r/z^ Author, C 26 PHOTOGRAPHIC PASTIMES. If the exposure is made in the openair, the picture should be enclosed byscreens of a suitable height, made of ablack material, so as to prevent allchance of reflected light, as shown at 5in fig. 3. In the framework opposite. Fig. 3.—Arrangement for Copying Oil Paintings. the picture is an opening (a), throughwhich the lens is placed. Pictures witha very light sky are placed bending for-wards opposite the instrument, or areturned round with the sky downwards. In copying a painting at night, byartificial light, as mentioned above, theyellow screen may be dispensed with. It TO PHOTOGRAPH FROST PICTURES. 27 is only necessary in cases where there isa great preponderance of ultramarine inthe colouring, and even then it need beonly of a light yellow tint, (g.) TO PHOTOGRAPH FROST PICTURES. To procure frost pictures, Mr. gives the following instructions :Coat a plate with collodion, immerse itill water, until all greasy lines have dis-appeared, drain for a little, then place (inwinter) in the open air. If the frost bekeen, in less than a quarter of an hour adelic
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Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
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Keywords: ., bo, bookcentury1800, bookdecade1890, bookidphotographicpast00schn
