Certificate, proficiency in Train Signalling by Block Telegraphs
- Made:
- 1931
Certificate, proficiency in Train Signalling by Block Telegraphs, 1930-31, J.W.Robinson
Details
- Category:
- Documents
- Object Number:
- 2008-8187
- Materials:
- paper (fibre product)
- type:
- certificate
- credit:
- Miss S Robinson