Online Catalogue last updated 2nd of November 2021
There were a great many versions of the simple mono-rail idea, and probably the most widely used of the ground level systems was that patented by a Monsieur Henri Jules Caillet of Paris, Little is known of Caillet himself, but a great deal about his railway system - collected here.
The book traces his French, British, Canadian and American patents, and reproduces contemporary accounts of the systems in use, illustrated by period photographs and technical drawings.
Code No. 017618, 44 pages, $14.00