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.