The electro-magnetic telegraph: : with an historical account of its rise, progress, and present condition. Also, practical suggestions in regard to insulation, and protection from the effects of lightning. Together with an appendix, containing several important telegraphic decisions and laws. / By Lawrence Turnbull, M.D., lecturer on technical chemistry at the Franklin Institute of the State of Pennsylvania. Illustrated by numerous engravings..
- Other records:
- Second edition, revised and improved..
- Philadelphia: : A. Hart, late Carey and Hart., 1853.
viii, , 18-264 p., II leaves of plates : ill. ; 23 cm. (8vo)
Electric insulators and insulation.
- On t.p., the illustration phrase follows edition statement.
"Philadelphia: T.K. and P.G. Collins, printers"--T.p. verso.
With an index.
|Location||Notes||Your Loan Policy|
|Description||Status||Barcode||Your Loan Policy|