geometric lathe

English

Noun

geometric lathe (plural geometric lathes)

A lathe that was used for engraving banknotes and postage stamps with complicated patterns of interlacing lines, designed against forgery.

Synonyms

cycloidal engine

References

“geometric”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

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