1879
by Hoskiaer, Otto Valdemar
1879. Very Good. Hoskiaer, Otto Valdemar. A.L.s. to an unnamed recipient, probably Latimer Clark. Copenhagen, November 1, 1879. 1- pp. 213 x 137 mm. Light toning. Provenance: Latimer Clark. Hoskiaer, a Danish telegraph engineer, was the author of Guide for the Electric Testing of Telegraph Cables (1873), the second edition of which (1879) is mentioned in his letter: "I hope in short time to be able to send you the second edition of my 'Testing of Telegraph-Cables,' having revised & augmented the first one, which has been sold for some years, and I am glad to say, has lately been asked for by more engineers in and outside Europe." Origins of Cyberspace 161. . (Inventory #: 40770)