This work was carried on at Woolwich, London, until 1940, when it was transferred to Ilminster, Somerset. The first four of the Reports listed below were produced from Woolwich, the remainder from Somerset; Strachey wrote or collaborated in all the latter, except where indicated.

The Reports bear the firm's number as follows:

(From Woolwich) T.G.4, T.G.6, R.G.8, R.G.13;

(From Ilminster) R.G.14 (not by Strachey), G.20, G.36, G.43, G.46, G.50, G.52, G.55, G.56, G.57, G.58, G.59 (not by Strachey), G.67, G.69, G.74, G.75, G.77, G.79, G.83, G.84 (not by Strachey), G.85, G.93, G.95.