No. 251 (T.H.V. "ALERT", 1919) PLAN OF SHELL EXPANSION.

Scale 1:48 & 1:12 drawing giving the Shell Expansion and details of bulwarks, mooring pipes etc. Attached is a typed letter from owners Trinity House, dated 1/8/17, giving Plan approval comments.

See NPN0318 for Shell Expansion of lost ship No 228 ("Alert", 1911).

(Admiralty Folded Plan collection, Box ADFB0006, NPN0317-0323, plus 20 in number uncatalogued construction drawings of details).

Object Details

ID: NPN0321
Type: Technical drawing
Display location: Not on display
Creator: Ramage & Ferguson Ltd
Date made: 1917
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 674 mm x 1634 mm