Tesla patent drawings

Nikola Tesla Patents

Tesla was granted nearly 200 patents worldwide

1 1 T T 1 J 1 { THOMAS 3 ERR PARHEP 25 DRURY W COOPER JOHN CAVPBELL KEAR 3. HAYWARD STURGES S DUNHAM Sir: S PATENT Hon. Commissioner LAW OFFICES OF CKERR. PAGE. COOPER & HAYWARD. ACCOUNS AUG 27 1909 Washington, D.C. tion of a condenser. sketch. Enc. of Patents, Attention of Draftsman's Division. In the application of Nikola Tesla, Serial No. 371,817, renewed ay 4, 1907, Apparatus for Transmitting Electrical Energy through the Natural Media, Div. 16, Room 109, please have the Office Draftsman make the following corrections in the drawing: In Fig. 5, change the part G to the conventional representaOFFICE Ok. buff PATENT SEP 141909 DIV, 18 FILED.. In the same figure, blacken the part D¹, on which the cable B is wound, to indicate that said part is of insulating material. Same figure, show the part a to be slotted, as in the annexed 49 Charge cost of above to our deposit account. August 26, 1909 Very respectfully, Kerr, Page Casper 371#11 SINGER BUILDING. 149 BROADWAY NEW YORK CITY 47 745