Scarce dialing and topographic compendium by Doublemart – 1884

Scarce dialing and topographic compendium by Doublemart – 1884




Country of manufacture


Categories: Scientific, Surveying Instruments & Mining, Portable Sundials, Timekeeping


A very rare example of a late 19th century dialling and topographic compendium for military and surveying uses invented and commercialized by Eugène-Fernard Doublemart in 1884.

This ruler-type compendium combines :

-A ruler ;

-A compass ;

-A sundial ;

-A stadia ;

-An alidade with two sights ;

-A protractor using for leveling.


The instrument is in pristine example, absolutly complete.

It preserves its original booklet (with some damages and holes but still readable) explaining how to use the instrument in the different ways.


The ruler, built in wood, brass and steel, is signed “EFD” and bears the very low number “N°10” which allows to think that the production was very small.

It is preserved in its original case (hings broken). It measures 21×7 cm.

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FR Le Zograscope

Established by Alexandre Piffault in 2014 and based in Paris at 5 rue de Condé, 75006, very close to Odéon, Le Zograscope specializes in antique and rare books in Science, Medicine and Technology, and rare antique instruments in the same fields. We have especially a strong interest in early and continental microscopy, early and special mathematical/drawing instruments, medical and surgical instrument, and rare technology.
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