Pat 567818
U.S. Patent 0,567,818 - w:Electrical Condenser - 1896 September 15 - Condenser constructed or provided with means for exclusion of air or gas; Armature composed of a conducting liquid; Armatures in two separa... Еще
APPARATUS FOR TRANSMISSION OF ELECTRICAL ENERGY
Drawing from U.S. Patent No. 649,621, "Apparatus for Transmission of Electrical Energy" showing a system for the wireless transmission and reception of electrical energy through the earth’s rarefied upper atmo... Еще
Tesla Turbine Original - Drawing. Public domain image.
Tesla turbine diagram U.S. Patent 1,061,206 1909 October 21 – Turbine – Improvements in rotary engines and turbines; Mechanical power based the vehicle of fluid for power; Known as the Tesla turbine; Bladeless... Еще
Patent drawing - RMFpatent - . Public domain image
A rotating magnetic field is a magnetic field which periodically changes direction. This is a key principle to the operation of alternating-current motor. In 1882, Nikola Tesla identified the concept of the ro... Еще
Patent drawing - Teslapatent454622 - . Public domain image
System of Electric Lighting. Public domain photograph related to electrical equipment, industrial development, free to use, no copyright restrictions image - Picryl description
Patent drawing - Teslapatent645576 - . Public domain image
System of Transmission of Electrical Energy.
Patent drawing - US Patent 645576 Nikola Tesla 1897 System of transmis...
Drawing from US patent no. 645576 filed September 2 1897 by inventor Nikola Tesla covering his proposed system for transmitting electric power through the air without wires. Tesla believed that at 30,000 feet... Еще
Patent Drawing of Engine - US390721 Public domain image
Public domain scan of technical drawing, 19th-20th-century, free to use, no copyright restrictions image - Picryl description
Patent issue -1329559 Fig2
An excerpt from US patent issue #1329559, Fig. 2
Patent issue -1329559 Fig3
An excerpt from US patent issue #1329559, Fig. 3
Patent issue -1329559 Fig4
An excerpt from US patent issue #1329559, Fig. 4
Tesla valve cross-section
An excerpt from US patent issue #1329559中文（臺灣）: 特斯拉閥，美國專利編號 #1329559 第一張圖也就是尼古拉·特斯拉的專利之一。特斯拉閥橫截面的腔室設計，來自原始的專利申請書。