1847 to 1901 Siemens

werner von siemens, co-founder of siemens & halske.

siemens & halske founded werner von siemens , johann georg halske on 12 october 1847. based on telegraph, invention used needle point sequence of letters, instead of using morse code. company, called telegraphen-bauanstalt von siemens & halske, opened first workshop on 12 october.

in 1848, company built first long-distance telegraph line in europe; 500 km berlin frankfurt main. in 1850, founder s younger brother, carl wilhelm siemens, later sir william siemens, started represent company in london. london agency became branch office in 1858. in 1850s, company involved in building long distance telegraph networks in russia. in 1855, company branch headed brother, carl heinrich von siemens, opened in st petersburg, russia. in 1867, siemens completed monumental indo-european (calcutta london) telegraph line.

first electric locomotive, built in 1879 company founder werner von siemens.

in 1867, werner von siemens described dynamo without permanent magnets. similar system independently invented charles wheatstone, siemens became first company build such devices. in 1881, siemens ac alternator driven watermill used power world s first electric street lighting in town of godalming, united kingdom. company continued grow , diversified electric trains , light bulbs. in 1890, founder retired , left running company brother carl , sons arnold , wilhelm. in 1887, opened first office in japan.