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351. Conditions for letting Broomfleet Island

Date:
1875
Extent:
1 item
Reference No:
C DPD/1/2/6/1/2

352. Conference of Lighthouse Authorities (1929): Memorandum prepared by Messrs D. and C. Stevenson, M.M. Inst. CE, Engineers to the Clyde Lighthouses Trustees, on the trial of a fog signal sounded through the air and transmitted simultaneously by wireless telephone

Date:
8 Apr 1929
Extent:
1 item
Reference No:
C DPD/1/3/12/5/12

353. Conference of the Chiefs of Lighthouse Departments, London 1929: Distant controlling device operated by very short electromagnetic waves by M. P. Besson, Ingénieur des Ponts et Chaussées.

Date:
8 Apr 1929
Extent:
1 item
Reference No:
C DPD/1/3/12/5/6

354. Conference of the Chiefs of Lighthouse Departments, London 1929: Note on the Efficiency of Projection Apparatus by M. André Dargenton

Date:
8 Apr 1929
Extent:
1 item
Reference No:
C DPD/1/3/12/5/2

355. 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.

Date:
8 Apr 1929
Extent:
1 item
Reference No:
C DPD/1/3/12/5/5

356. Conference of the Chiefs of Lighthouse Departments, London 1929: Recent progress realized in French Wireless Beacons by MM. A. Blondel, Inspecteur Général des Ponts et Chaussées, Membre de l'Insitut, et P. Besson, Ingénieur des Ponts et Chaussées

Date:
8 Apr 1929
Extent:
1 item
Reference No:
C DPD/1/3/12/5/3

357. 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

Date:
8 Apr 1929
Extent:
1 item
Reference No:
C DPD/1/3/12/5/4

358. Confidential Correspondence

Date:
6 Feb 1939–30 Dec 1940
Extent:
1 file
Reference No:
C DPD/1/3/5/2/41

359. Confidential Correspondence

Date:
2 Jan 1941–26 Sep 1945
Extent:
1 file
Reference No:
C DPD/1/3/5/2/42

360. Consent to the extension of Arbitration time until the 17 March 1895 and to the Umpire sitting with them

Date:
6 Dec 1894
Extent:
1 item
Reference No:
C DPD/1/2/5/5/7