Clocks: a watch factory at Waltham, Massachusetts. Wood engraving by A J H.

[London]

1 print : wood engraving ; image and border 33.5 x 23.5 cm

Watchmaking by machinery in America. ; AJH Lettering within the print [clockwise from top left]: "A work room" "Enamelling the dials" "Firing the dials" "In the engine room" "Gold and silver working" "Escapement wheel machine" "Gilding the wheels" "Punching blank wheels" "View of the Waltham factory"

Wellcome Collection 40958i