| 'Efficiency of plough designs' in 1770 Spring Dynamometer invented by Samuel More | |
| Anna Katrina Zinkeisen (British, 1901 - 1976) | |
| 488 | |
£500 -
£800 | |
| Oil on canvas | |
| Paintings | |
| 70.5 cm - 91 cm (27.76 in - 35.83 in) | |
| Signed | |
| Signedin to unlock | |
| Auction 16/07/2009 | |
| Jul 15, 2009 |