"KAT o12
 
PHYSICS--COLLECTED WORKS.
Franklin, Benjamin, 1706-1790,
Experiments and observations on electricity, made at Philadelphia in America, To which are added, Letters and papers on philosophical sub- jects. The 5th ed. London, Printed for F, New- bery, 1774.
v, 514 pe illus., plates (part fold.) 24cm.
FOR OTHER EDITIONS see AUTHOR
1. Electricity--Early works to 1850. 2. Phy- sics—Collected works,