maxaa dhacay qarnigii 20aad kahor intaan la gaarin waxyaabaha Tesla sameeyey? Marka la eego su'aasha hore, ku qor macnaha guud ee jawaabta. Waxay noqon kartaa 1 ilaa 20 jumladood. Macnaha guud:
Bishii Luulyo 1888, Brown iyo Peck waxay kala xaajoodeen heshiis shatiyeyn ah George Westinghouse oo loogu talagalay naqshadaha matoorka induction-ka ee Tesla iyo naqshadaha transformer-ka $ 60,000 oo lacag caddaan ah iyo saamiyo iyo royalty ah $ 2.50 halkii AC horsepower ee ay soo saartay matoor kasta. Westinghouse sidoo kale wuxuu u shaqaaleysiiyay Tesla hal sano oo ah lacag aad u badan oo ah $ 2,000 ($ 52,700 oo doolarka maanta ah) bishii si uu u noqdo lataliye shaybaarada Pittsburgh ee Westinghouse Electric & Manufacturing Company.