| Type | Door Knob |
|---|---|
| Decade | Pre 1890 |
| Original/Reproduction | Antique Original |
| Features | Restored |
| Material | Brass, Steel, Porcelain |
| Maker | Prouty |
Check the listing for details. Push Button Door Knobs - Brass And Porcelain Designed By Augustus Prouty 1880. Listed at 245.00 USD. Prouty was from Worcester Massachusetts, and his knob was known as “Prouty’s rigid door knob.”. The inside of the knob has a small "O" on the outside center button indicating the "open" position. Augustus Prouty had several other patents assigned to the Pond Machine Tool Co. of Worcester.