Captain J. H. Adams was born in Edwardsville, Illinois, on June 13, 1820. and was a Captain in the Mexican American War. He arrived in Hangtown for gold on August 1, 1849. He then arrived in Santa Clara County in August 1853 and became sheriff in...
Electric discharges; Scientific apparatus and instruments
When connected to a power source, a bright electric spark would flash between the two ends of the two outer posts. The middle glass post is made of photo gray glass (yellow tinted glass), which would have glowed. This instrument is visible in early...