Hectograph
Of duplicator and collotype. May also be referred to as heliotype.
Duplicator consisting of a gelatin plate from which ink can be taken to make a copy.
This concept's ID is @1~19017
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Of duplicator and collotype. May also be referred to as heliotype.
Duplicator consisting of a gelatin plate from which ink can be taken to make a copy.
This concept's ID is @1~19017