[SCIENCE & TECHNOLOGY]. J. LeFerre patent model for a "Window Sash Elevator" or Sash Balance with original tag, 1867.
14 5/8 x 10 x 2 3/8 in. (overall) model comprised of a wooden window frame with two independently movable sashes, each featuring two glass panes, and a pulley system mounted to the frame interior (only one cord of pulley system remains intact; general wear to wood). Original cloth tag (discoloration in some spots, fraying to edges) numbers this patent 69,952 and reads (in a combination of manuscript and print), "J. Le Ferre. / Window Sash Elevator.ˢ / Patented Oct. 15 / 1867." Additional paper label identifies the model as "Property of 'The O. Rundle Gilbert U.S. Patent Model Collection' / Garrison-on-Hudson, New York."
Property of a Midwest Collector
![[SCIENCE & TECHNOLOGY]. J. LeFerre patent model for a "Window Sash Elevator" or Sash Balance with original tag, 1867.](https://assets.basta.app/accounts/4832eb18-f9a7-4c12-8295-871abe232696/images/a7f2bbca-e5c5-4796-b7b7-0f1d7ea5e7f1?format=auto&width=1080&quality=75)
![[SCIENCE & TECHNOLOGY]. J. LeFerre patent model for a "Window Sash Elevator" or Sash Balance with original tag, 1867.](https://assets.basta.app/accounts/4832eb18-f9a7-4c12-8295-871abe232696/images/d4ca8ad3-22f3-4527-9c2f-b7eda66407c4?format=auto&width=1080&quality=75)
![[SCIENCE & TECHNOLOGY]. J. LeFerre patent model for a "Window Sash Elevator" or Sash Balance with original tag, 1867.](https://assets.basta.app/accounts/4832eb18-f9a7-4c12-8295-871abe232696/images/e46a59a4-1f04-4e2f-8d8d-e6eb666c3678?format=auto&width=1080&quality=75)
![[SCIENCE & TECHNOLOGY]. J. LeFerre patent model for a "Window Sash Elevator" or Sash Balance with original tag, 1867.](https://assets.basta.app/accounts/4832eb18-f9a7-4c12-8295-871abe232696/images/0b7da3c0-a7b6-48de-a165-4ad1e193cfd7?format=auto&width=1080&quality=75)