TNA ADM 199 792

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Unformatted machine-generated OCR for document page 463.

suggested that DSR be requested to
remark on para 11(ii).
Awamery from
2/12/40.
for the small and S.P.'s in means the
automatic Strenuous destruction efforts are of being C.B.'s made to devise
safes of ships operating in shallow waters. No
completely of satisfactory solution has yet been obtained
research organisations have been consulted.
a number independent experts in various industries and but
by seawater have been developed but production difficultie
Printing processes in which the print is destroy
have still to be overcome.
Partial destruction of C.B.'s could be effected
by the use of incendiary materials as a bottom lining to a
standard pattern safe, modified as proposed by S.O. Naval
Base, Barrow, on N.I.D. 01398/40.
The question of additional means to assist heat
penetration by incendiary bomb or other incendiary materia
was discussed with the Government Chemist who stated that
this could be conveniently done by spraying the printed
pages before or after binding with a cellulose nitrate
lacquer. A coating of any desired thickness and resistant
to produced. accidental ignition by a burning cigarette end, can be
informed and it is understood that he is taking up with
Pay. Lt. Cdr. Wilson of Signal Department has be
Messrs. and British Xylonite Co. the question of coating C.B.
job. S.P.'s with cellulose nitrate ladquer as a production
for Inv.anlay D. S. R.
11. 12. 40.
D.S. Ro remarks are noted
Herroes
12/12/160
Submitted for information.
N.C.A
Head Tawso 14.12.40 of NL.
BAR 16/12/40