Physical description

Carbon typed copy of a technical procedure - 4 pages -"Graphical Location of Trolley Wire" giving the guide on how to locate trolley wire on curves and junctions, gives formulas, positioning at frogs, notes regarding various cars and trolley wire height.



Consists of four pages with a blue print drawing. Each page has been scanned the blue print drawing reversed imaged as well.



4768.2 - the blue print drawing.



Extracted from "Transit" Journal - April 1934. Dated 10th Jan. 1935



BTPS Number "226".

Inscriptions & markings

"226" in ink on left hand bottom of first page