overall: 11 1/2 in x 22 in x 24 in; 29.21 cm x 55.88 cm x 60.96 cm
overall: 11 in x 22 1/2 in x 24 in; 27.94 cm x 57.15 cm x 60.96 cm
Object Name:
patent model
Object Type:
Patent Model
Date made:
ca 1880
Patent date:
1880-09-21
Description (Brief):
This patent model demonstrates an invention for a book-stitching machine which was granted patent number 232446 in 1880. This was an improvement on Boynton's earlier patent, number 203530 in 1878, and allowed for easier adjustment for books of different sizes. The model is damaged.
