Mapograph: [map printing rollers]: Birmingham & Midlands; Industrial Tyneside; Manchester & district.
Mapograph.
London : A.T. Kings,
[1925?]
British patent no. 241, 595, granted to Alfred Thomas Kings, 23 July 1924.
Ink-able maps embossed on rubber sheets, mounted on wooden rollers, with axle & handle pins.
Very basic outline information. Scale range 1:90 000 - 1:633 600.