IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This clock dates from the 1930s, when ...

THE pioneer of the electric clock was Alexander Bain, whose patent was taken out in 1840. He was soon followed by others, and in 1851 C. Shepherd installed in the Great Exhibition a large electric ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

ELECTRIC clocks have proved a great boon to many householders in the neighbourhood of electric mains. Their time-keeping qualities are far superior to those of ordinary clocks and as they need no ...

Read online or download a PDF of this issue. Print & Full Archive SubscriptionThis digital issue plus 12 new issues (in print, digital and tablet formats) plus archive access to 1845.$99.00 ...

Clocks with hands that turn are all well and good for the common folk, but hacker types prefer something different. [Sjm4306] is one such person, and developed this analog dial clock with parts we’d ...