Showing 49 results

This photograph album was likely prepared for advertising and promotional purposes by the O'Connor and Lancaster firm, or "Popular Photo Studio". It contains prints of London, Ontario, scenes, as well as advertising and promotional information about London and some of its businesses.

The item is a ink on linen drawing of a propeller used by the Aerial Experiment Association (A.E.A.). It is unclear if this is a reproduction using materials from the era (ie. linen), a contemporary copy, or an actual record from A.E.A. A section under the title called “notes” is partly obscured by mould damage. It appears to say: “On basis of 8” tip and 7 1/8 rise 2” back from Cutting Edge and with maximum thickness of 5/16” 3” back from Cutting Edge with 8” Cylinder 40 H.P. Engine turns [illegible] Revolutions. Pitch 17”. “