Author: KRATZENSTEIN, CHR. G.
Title: Theoria electricitatis more geometrico explicata.
Description: Hallae Magdeburgiae, Impensis Caroli Hermanni Hemmerde, 1746. 4to. W. fine engr. vign. on title ['Hoc Erit in Votis'], woodc. head- and tail-piece & 1 engr. plate. Sewn bookblock with endpapers (contemp.). (VIII, 62 pp.). (Foxed throughout; uncut.). (Armorial stamp Fugger library Augsburg on A1). Hirsch III, 603/4: Kratzenstein (1723 - 1795). Studied in Göttingen under von Haller. From 1753 until his death professor of experimental physics and medicine at the University of Copenhagen.: Baas/Handerson, 724: '... Kratzenstein was the first who employed electricity to cure weakness and paralysis ...': Sotheran II, 10297: ' ... the first to use electricity for therapeutical purposes by applying the spark from a Leyden jar to cure paralysis of a finger.': Ronalds, 274: Bakken Coll. p. 77: 'Reports the first efforts to measure an electric field.': Wheeler Gift I, 326: 'Series of demonstrations and corollaries in electrostatics.': Mottelay, 170/2: Poggendorff I, 1313/4: Wellcome III, 412: Snorrason, 56 a.o.pl.: 'When Kratzenstein defended his publication "Theoria ..." he not only resumed the prevailing ideas about electricity at that time, but ... he also tried through geometrical analysis to prove the hypothesis of electricity as a whirl in the air surrounding the discharging element.': Brazier, Hist. of neurophysiology 17th/18th c., p. 188/9: 'Kratzenstein was prominent among those making claims for electrotherapy.': Very rare first dated edition of this dissertation, published in the same year as the undated version "Pro gradu magistri ...".

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