 | No 42: Orthona during build (1937) [Source: Roberts collection.] |
 | No 43: Orthona during build (1937) [Source: Roberts collection.] |
 | No 133: Orthona launch March 27th 1937 (1937) [Source: Barbera Quillam.] |
 | No 134: In shed before launch (1937) [Source: Barbera Quillam.] |
 | No 144: Under sail off Cockham Beach in the Medway (in presentation sleeve, signed H.S.Newcombe) [Source: Barbera Quillam.] |
 | No 171: Launch (postcard in presentation sleeve) (1937) [Source: Barbera Quillam.] |
 | No 268: In build (1937) [Source: Barbera Quillam.] |