(EIFFEL, G.) CAILLETET, L. & EIFFEL, G. Manomètre à air libre de 300 mètres établi à la Tour Eiffel. Paris, nd (1891 in ink on upper wrapper)
Small folio. (8)pp incl. ills. Orig. printed wrappers, rather damaged and dog-eared and stitching coming apart. Eiffel realised from the start that his tower would be a suitable site from which to conduct experiments into meteorology. He collaborated with the distinguished physicist, Louis Paul Cailletet, well known for his work on the liquefaction of gases, to build a giant manometer the entire height of the tower in order to measure the pressure of up to 400 atmospheres. In this paper given to the Académie des Sciences in 1891, Cailletet describes this remarkable instrument, explaining its advantages, describing its construction (using a steel, rather than a glass, tube on account of its size), and showing how it was arranged within the tower’s structure. A laboratory was installed in the western leg of the tower at the manometer’s base. The text of this item was included in “Travaux Scientifiques exécutés à la tour de trois cents mètres” but not its illustrations. It is here in its rare and original first printing.
£350
This item is listed on Bibliopoly by Elton Engineering Books; click here for further details.