NIKOLA TESLA - GENIUS WHO INVENTED the TWENTIETH CENTURY

Aleksandar Marinčić

Profesor Robert Lomas, Bradford University:“Nikola Tesla – Forgotten Genius of Electricity”, 1999.

YU-MTT Chapterissued a periodicalMicrowave ReviewVol. 2, No. 7, 2001 Dedicated to 145th Anniversary of Nikola Tesla

Participants from abroad:

Prof. Jasmina Vujić,California University, Berkeley

Dr Đurađ Budimir, Westminster University, London

K.L. Corum, Dr J.F. CorumUSA

John W. WagnerElementary School, USA

Radio developmentJames Clerk Maxwell - electromagnetic waves (theoretical prediction, 1865.)

Heinrich Hertz - experimental verification of Maxwell’s theory (1888.)

Nikola Tesla – continuous wave

Oliver Lodge - “wireless telegraph” (1894.)

G. Marconi – modification of Hertz apparatus (1896.)

Hertz transmitter (1887)

Tesla’s contributions to radio development

Generators of h.f.currents – machine and spark generators (Tesla coil), 1891.Coupling of generator to antenna – ground system (1892./3.)System of four tuned circuits, 1897.Receiver with rectification of h.f. current and integration and damp, 1900.Using two (or three) carriers to provide protective coding and suppression of interference and receiver with “AND” circuit 1900.

Tesla’s lecture at Columbia College, 1891

Tesla’s spark generator of h.f. currents (1)

Tesla’s spark generator with ‘Tesla coil’ (2)

Coupling of h.f. generator to antenna-ground (Tesla, 1892.)

From lecture in St.Louis,first radio, 1893

P P 1 S S 1

B B 1

World Exhibition, Chicago, 1893.

Tesla’s exhibits in Chicago, 1893

Tesla’s laboratory in Newyork (1895. - )

izolovano telo

uzemljenje

Marconi’s transmitter (1896.)

Tesla’s system of four tuned circuits (1897.)

Tesla’s radio controlled boat (1898.)

Colorado Springs Laboratory (1899.)

Tesla u laboratoriji u Kolorado Springsu

Nikola Tesla diary from Colorado Springs 1899

Colorado Springs: High power h.f. generator

Colorado Springs:continuous wave modulators

Colorado Springs: integrate and damp receiver

System with two-carriers transmitter and ‘AND’ circuit

Long Island Laboratory

Interior of Long Island Laboratory

Main Tesla’s contributions in developing radio

H.F. machine generators;Tesla coil;Four tuned circuits system;Cooled coils for increasing selectivity;Multi-frequency radio system;Receiver with rectification and damp circuit;Remote control of vehicles.

Tesla’s unfinished projects and visions

World’s Radio Station at Long Island;Wireless Transmission of Energy;Weather control by h.f. and high voltages;Electromagnetic shell;Electrostatic accelerators and beams of non-electric particles;Application of ball lightings.