1
Improvements in or relating to apparatus for embossing sheet material and colouring the embossment. Henry Christian Stephens, April 13, 1955: GB727981-A (1 worldwide citation)

727,981. Colouring raised parts of embossed sheets. STEPHENS, H. C. April 17, 1953 [Jan. 18, 1952], No. 1475/52. Class 100 (2). An equipment for colouring an embossed sheet comprises a plate 17, Fig. 1, having an aperture 18 formed therein adapted to leave the embossment uncovered when the sheet is ...


2
Improvements in or relating to adjustable holders for photographic plates, films andlike sheets. Henry Christian Stephens, July 16, 1952: GB675864-A

675,864. Photographic enlarging apparatus. STEPHENS, H. C. June 7, 1950 [June 9, 1949], No. 15437/49. Class 98 (i). A holder for a photogrphic plate, film or like sheet comprises an open frame providing a window adapted to accommodate the largest plate or the like which may be required to be used, r ...


3
Improvements in or relating to apparatus for the practice of gun sighting. Ernest Thomas James Tapp, Henry Christian Stephens, February 4, 1949: GB617326-A

617,326. Apparatus for gun-sighting practice. TAPP; E. T. J., and STEPHENS, H. C. Nov. 2, 1944, No. 21511. [Class 119] [Also in Group XL (b)] An apparatus for the practice of gun-sighting comprises a sight 10, Fig. 1, adapted to be directed by the operator on to a target produced on a spherical scre ...


4
Improvements in or relating to gunnery training apparatus. Ernest Thomas James Tapp, Henry Christian Stephens, February 4, 1949: GB617340-A

617,340. Gunnery training apparatus. TAPP, E. T. J., and STEPHENS, H. C. Feb. 15, 1946, No. 4876. [Class 119] Relates to gunnery training apparatus in which the target is provided by cinematograph projection of a film of a moving object, the projector being constrained to follow the movements of a c ...