Note 50 — Chapter VIII · MANUFACTURING INDUSTRIES (Birmingham and District.)
Reading edition
This mechanism was first used by James Watt, for copying medallions and busts, and his machines are still preserved at Heathfield Hall, Handsworth.—Ed.
Reading edition
This mechanism was first used by James Watt, for copying medallions and busts, and his machines are still preserved at Heathfield Hall, Handsworth.—Ed.