Date: 1910 / Subject Terms: Copying processes. / Classification: Three-Dimensional Artifacts - YCBA Collections Search Search Results

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Date 1910

Subject Terms Copying processes.

Classification Three-Dimensional Artifacts

1. Spectrograph : a novel drawing apparatus, by means of which anyone, even a child, is enabled to draw a single or duplicate sketch.

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Date:: [not before 1910]
Physical Description:: 1 set (1 drawing board, 1 reflecting glass, 6 patterns, 2 sheet of carbon paper, 8 pins) ; in box 20 x 27 x 5 cm
Collection:: Rare Books and Manuscripts