75/2219 [Electricity]. Ronalds, F. Descriptions of an Electrical Telegraph, and of some other electrical apparatus. London, R. Hunter, 1823, 1st ed., (4),83p., 8 (1x fold.) engr. plates (1x letterpress) by W. LOWRY after F. RONALDS, contemp. cl. w. red mor. letterpiece.

- Occas. trifle foxed; errata leaf present in facsimile and loosely inserted. Frontcover and first 2 lvs. detached; covers soiled.

= Mottelay p.438; Bakken p. 292: "Reports the invention of the first electric telegraph as well as other electrical devices." Ronalds is not listed in the DSB. Rare.