5" to 5 1/2" internal bore micrometer reading to thousandths of an inch patented by J. E. Storey in 1902 and made by Newall Engineering Co., Warrington.
Details
- Category:
- Industrial Metrology
- Object Number:
- 1907-38
- Materials:
- steel (metal)
- Measurements:
-
object: 5.90551 x 4.72441 x 7.08661 in.; 15 x 12 x 18 cm
- type:
- micrometer
- credit:
- Newall Engineering Company
