Browse Items (1 total)

http://s3.amazonaws.com/omeka-net/2253/archive/files/b86d78cfed7801ecd01c2081d2af9645.JPG
This was a popular piece of demonstration apparatus, in which the operation of the motor is signaled by a ringing of the bell. The instrument is an inverted revolving electromagnet, with a gearing system added to strike the bell every hundred…

Tags:

Output Formats

atom, dcmes-xml, json, omeka-json, omeka-xml, rss2