Box containing fifteen books of small scale diagrams, diagrammatic arrangements and fitted drawings:

- one book for HMS 'Upshot'/'Urtica' FS/M 'Doris', 'Utsira', 'Mores', HMS 'Vengeful'.
- one book for HMS 'Templar', 'Tally-ho', 'Tantalus' and 'Tantivy'.
- one book for P311, 'Trespasser', 'Taurus', 'Tactician' and 'Truculent'.
- one book for HMS 'Spirit' and HMS 'Statesman'.
- one book for 'Sibyl' and 'Seadog'.
- one book for 'Tradewind' and Trenchant'.
- one book for S class submarines group 2.
- one book for 'Sea Nymph', 'Sickle' and 'Simoon'.
- one book for U class submarines group 1.
- one book for U class submarines group VII and VIII.
- one book for HM Submarines 'Strongbow', 'Spark' and 'Scythian'.
- one book for HM Submarines 'Sirdar' and 'Spiteful'.
- one book for HM Submarines 'Seneschal' and 'Sentinel'.
- one book for HMS 'Stonehenge' , 'Stoic', 'Storm' and 'Stratagem'.
- one book for HMS 'Stygian', 'Subtle', 'Supreme', 'Seascout' and 'Selene'.

Box label 'R.S.D. Submarines Box 5'.