A PHOTOGRAPH ALBUM AND PATTERN DOCUMENTS

belonging to 2nd Lieutenant John Paley Yorke, who invented new components for searchlights.

With British and American Patten documents for his invention ' Magnetic Deflectors for Electrical Arcs in Lamps, Searchlights and the like’.

Research file on ' Searchlight Experimental Establishment. The report and work were carried out in 1920. Contains his plans and photographs of his design.

The photographs showing the work of the ' Searchlight Experimental Section RE'