M. E. Schwerd. Notices sur quelques instruments de physique construits à Genève dans l’atelier dirigé par M. E. Schwerd : suivies du catalogue des instruments qui se trouvent dans cet établissement .
Genève : Librairie Desrogis, 1863 56pp., 1 plate, 8pp. 20 cm. The 8-page supplement at the rear of the pamphlet is a priced catalog from the manufacturer.
Original wrappers. Condition: Good. The wrappers are somewhat dusted and chipped. Provenance: Library of Congress, with their surplus/duplicate stamp on the front cover. $150
[John J. Griffin] Scientific Apparatus for Use in Schools A Catalogue of Instruments required for the Performance of Experiments to Illustrate the Physical Sciences especially the subjects of Mechanics, Hydrostatics, Pneumatics, Heat, Light, Magnetism, Electricity, Galvanism, Electro Magnetism, &c. 49, (4)pp, with a shorter 16pp catalog pasted in at front interior. This catalog lists hundreds of instruments, with very short descriptions and a price, but no illustrations. For some reason this is unlocated in WorldCat/OCLC. Good copy, only. $100
Provenance: Library of Congress, with their surplus/duplicate stamp on the rear wrapper.