Routledge engineer's folding slide rule
- Made:
- 1841-1860 in Birmingham
Routledge engineer's folding slide rule, improved and arranged by J.Nobles, made by T. Bradburn and Sons
Details
- Category:
- Mathematics
- Object Number:
- 1961-249
- type:
- slide rule (engineer) and slide rule (routledge)
- credit:
- Mr Anthony J. Fox