Grace's Guide To British Industrial History

Registered UK Charity (No. 115342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 149,644 pages of information and 235,472 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

The Engineer 1926/07/09

From Graces Guide

Pdf50.jpg 1926 July 09th PDF

  • Contents, p 39

Main Subjects

  • British Patents, p 51 (Illustrated)
    • Telefunken Gesellschaft (Berlin) - Improvements in or relating to radio and the like receivers operating on the heterodyne principle.
    • Dubilier Condenser Co (1925) - Improvements in or relating to vacuum tube electric devices.
    • Batteries - Improvements in or relating to electrodes for alkaline accumulators.
    • J. A. M. Hawadier (France) - Improvements in and relating to valves for wireless telegraphy and telephony.
    • Siemens and Halske - Improvements in or relating to electric furnaces.
    • G. E. Heyl - Recovery of Tin and Solder from scrap
    • C. E. Greener - Crucible melting furnaces
    • Richard Mack (Berlin) - Improvements in or relating to electric welding machines
    • Sir A. Herbert and Mr P. V. Vernon - Coal-pulverising machines
    • S. Milne - Paper pulp beating machines
    • J. J. V. Armstrong - Improvements in or relating to the transformation of polyphase into single-phase alternating current
  • Editorial, p 39 - p 40
    • Locomotive Boilers
    • The Burden of Research
  • French Engineering Notes, p 51
    • The Trade Situation
    • Colonial Machinery
    • Shipbuilding
    • Russian Trade Negotiations
    • Iron and Steel Production
  • Geared Diesel Locomotive for the Russian State Railways, p 34 - p 35 and p 38 (Illustrated)
  • South African Engineering Notes, p 46 - p 47
    • The Kalahri Desert
    • A Steel Research Station
    • Newcastle Blast-furnace
    • New Railway Works
  • Specifications for Brass Bars, p 47
  • The Coming-of-age of the University of Sheffield, p 32 - p 33 (Illustrated)
    • New Engineering Research Laboratories
    • The New Metallurgical Laboratories
    • Sir Robert Hadfield
  • The 'Industrialisation' of the Belgian State Railways (No. II), p 31 - p 32
  • The Moffat Railway Tunnel, U.S.A. (No. II), p 28 - p 30 (Illustrated)

See Also

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Sources of Information