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opalotype
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opalotype
ˈopaloˌtype [f. L. opal-us opal + type.] A positive photograph on opal glass. Also attrib.1885 Spon's Workshop Appliances 294 Opalotype pictures. Opalotypes by the wet process. It is only necessary to use opal glass instead of patent plate.
Oxford English Dictionary
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Opalotype
Opalotype or opaltype is an early technique of photography. "Milk glass positive" is another alternative term for an opalotype.
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opal
opal (ˈəʊpəl) [ad. L. opal-us (Pliny); cf. Gr. ὀπάλλιος; according to Weigand II. 311, from Skr. upala ‘precious stone, gem’, the opal having been first brought from India. Cf. F. opale (16th c. opalle in Littré).] 1. a. An amorphous form of hydrous silica, somewhat resembling quartz, but in certain...
Oxford English Dictionary
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Adolphus Verey
Among techniques Verey adopted was the opalotype, or milk-glass positive, which produced a delicate effect often described as like that of painting on
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List of photographic processes
Lambertype
Leggotype
LeGray
Levytype
Linograph
Linotype
M
Mariotype
Meisenbach process
Melainotype
Melanograph
Metotype
Mordançage
N
O
Oil Print Process
Opalotype
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