Four brass matrices made by electrotyping

Four brass matrices made by electrotyping, letters H,M

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Four brass matrices made by electrotyping, letters H,M
Science Museum Group
© The Board of Trustees of the Science Museum

Four brass matrices made by electrotyping, letters H,M,Y and figure 6

Details

Category:
Printing & Writing
Object Number:
1978-218
type:
matrices
credit:
Chitson, G.