Conference of the Chiefs of Lighthouse Departments, London 1929: Theorem on the Refraction of the Pencils of Rays. Appliance to the calculation of the brightness by M. André Dargenton
- Reference No:
- C DPD/1/3/12/5/4
- Dates:
- 8 Apr 1929
- Description:
- Format:
- Archive Item
- Extent:
- 1 item
- Language:
- Access Conditions:
- Access will be granted to any accredited reader
- Repository:
- Hull City Archives
- Collection:
- Records of Humber Conservancy and the Humber Ports (Records deposited by Associated British Ports and its Predecessors)