Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 132,234 pages of information and 209,795 images on early companies, their products and the people who designed and built them.

Automobile Engineer: 1912/09 July

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1912 September Issue

Note: This is a sub-section of Automobile Engineer


  • Automatic Starting...257
  • Stamping or Drop Forging...258
  • Relationship of Employer and Employees in Patent Matters - Eric W. Walford...262
  • Testing Automobiles - 100 H.P. Benz Racing Car...263
  • The 25 H.P. Sleeve Valve Argyll Chassis (with drawings)...271
  • The Napier Taxicab Chassis...285
  • An Internal Combustion Coal Engine...285
  • The Argyll Sleeve Valve Patent...286
  • Miscellaneous...288

See Also


Sources of Information