SA 1800 Alidade with parallel rule made by W Ottway Ealing London 1924 this an an example of a sighting rule used for survey work and military purposes, particlary artillery purposes, it is made of aluminium and in a timber carry case with brass fittings, height 63 width 12 depth 5
Alidade with parallel rule
All pieces are inspected, repaired and restored where appropriate. All electrical items are tested and tagged. If there are major faults they will be described. Photos form part of the description. If you have questions about the condition of the piece you are considering, please call or email us.
We do not normally give refunds if you:
• simply change your mind, or
• make a wrong decision.
This is in accordance with the Australian Consumer Protection Legislation.
We will provide a repair, refund or exchange if the piece has been
• have been wrongly described
• does not do what it is supposed to.