Extensometer made to Professor J A Ewing's specification (Pat No 1447/1894)
Extensometer made to Professor J A Ewing's specification (Pat No 1447/1894) supplied by Cambridge and Paul Instrument Company, Serial No. C10150, 1921
Details
- Category:
- Metallurgy
- Object Number:
- 1991-152
- type:
- extensometer
- credit:
- Imperial College of Science & Technology (Dept. of Electrical Engineering)