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Hosking John Trevor, Blackham Norman: Head-up display apparatus. Pollock Elliott I, November 19, 1974: US3848974 (46 worldwide citation)

Head-up display apparatus to provide an indication of the speed of an automobile includes a curved windscreen on which the indication is displayed in the driver's line-of-sight. The apparatus includes a speedometer scale attached to the shaft of a speedometer movement, a light source, and an optical ...


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Blackham Norman, Read Mervyn H H: Movement for instruments. June 6, 1972: US3668520 (1 worldwide citation)

Bimetal instrument movements of the V-pivot type and the pin-pivot type in which the integral upstanding portions of a one-piece frame member support the fulcrum for the movements' pointer means and U-shaped bimetallic structure. Calibration and/or adjustment is effected by forcibly bending the upst ...


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Booth Marcus Baxter, Blackham Norman: Improvements relating to the shaping of the periphery of an article such as a lens. E C S Coventry, October 22, 1952: GB681311-A

681,311. Grinding. E.C.S. (COVENTRY), Ltd. April 30, 1951 [May 22, 1950], No. 12718/50. Class 60. In apparatus for grinding the periphery of an article to a predetermined size and shape wherein the article is mounted to revolve coaxially with a cam of the predetermined shape, the two being pressed i ...


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Blackham Norman, Skinner William: Improvements in or relating to fittings for flexible cables. Smiths, October 11, 1972: GB1292036-A

1292036 Bowden mechanisms; flexible shafts SMITHS INDUSTRIES Ltd 26 March 1970 [20 June 1969] 31205/69 Headings F2K and F2U An outer sheath 2 for a flexible cable 1 is adapted to be mounted in an aperture in a support 25 by a fitting 5 of plastics material such as nylon, comprising an end portion 16 ...


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Blackham Norman: Improvements in or relating to moving coil instruments. Smith S, March 3, 1971: GB1223852-A

1,223,852. Electric motors. SMITHS INDUSTRIES Ltd. June 21, 1968 [July 4, 1967], No. 30791/ 67. Heading G1Q. A moving coil instrument of the type in which the coil 10 is mounted entirely on one side of the rotational spindle 16 (on an arm 12) and is balanced by a balance weight 61 on the opposite si ...