James Pitkin received a British provisional patent (#2947) for “Improvements in Aneroid Barometers” in 1861. In 1870, together with Thomas W. Short, his partner at that time, he brought out an ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Jakob Goldschmid, a mechanic in ...