Conference of the Chiefs of Lighthouse Departments, London 1929: On the Acoustic Beaconing of an Alignment. Principle of the arrangements of the emission of sonorous waves for the production of a plane of silence following a given alignment and for its periodical balancing by Monsieur A. Blondel, Inspecteur Général des Ponts et Chaussées, Membre de l'Insitut.

Reference No:
C DPD/1/3/12/5/5
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)