1901 Patent No. 14,930 holding & working trolley poles, Joseph Parsons, Walton

A. D. 1901, No. 14.930.  "Improved means for Holding and Working Trolley Poles on Electric Railway and Tramway Vehicles"

"Joseph Parsons, Machinist, 22 County Road Walton Liverpool in the County of Lancashire, do hereby declare the nature of my invention to be as follows: This invention is worked by compressed air or the like or by hydraulic pressure, the said pressure being obtained and stored in a cylinder places on the tram for that purpose..."

5 pages of text + 1 drawing which have been disbound from a larger volume.

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