Optical lever type workshop comparator measuring machine
- Made:
- circa 1920 in Croydon
Optical lever type workshop comparator measuring machine, with extra daylight projector giving a 1000 : 1 magnification at the scale.
Details
- Category:
- Industrial Metrology
- Object Number:
- 1929-439
- Materials:
- steel and glass
- type:
- workshop comparator
- credit:
- Gowlland, C.S.
