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STARI BRODSKI SAT MAGNETA -RARITET
Opis predmetaOvaj predmet je doista samo za prave kolekcionare koji požele (i mogu si dopustiti) da imaju tzv. PRAVU STVAR. Radi se o brodskom satu Magneta, navodno je ispravan i radi na brodsku struju od 24V. Obratite pažnju na slikama na svaki detalj jer dolje imate objašnjenje.
Opis predmeta dobiven iz jedne od svjetskih procijeniteljskih kuća:
Magneto driven Ships slave clock, Magneta Clock Company, Switzerland. A round copper bezel surrounds the white painted dial labeled "MAGNETA", with large Roman hour numerals and black painted steel spade hands with counterbalances. Around the extreme edge of the dial are the various countries patent marks. "Brevete s.d.g.d." meant "Brevete San Garantie Du Governement" or "Patent without the Government guarantee" (Patent Pending in France)... D.R.P. stood for Deutsche Reichspatent (patented in Germany). The American patent dates of 1900 and 1901 coincide with the date of the Swiss patent #19701, noted by the cross which is the sign for Swiss....The movement is encased within a copper enclosure with a serial number on the hanger in the back of the case. The movement would have a thick rectangular double brass plate which had a good sized watch type hairspring operated by a current produced by a magneto located in the master clock on board the ship. The electrical current would connect via wires to the two ports in the rear sticking out of the copper canister.
Condition: In very good condition.
Your item's measurements:
Width / Diameter: 19 cm Depth: 6 cm
Item Date: circa 1925
Our expert's additional comments:
It was in 1900 that Martin Fischer of Zurich patented a clock that was powered by its own source of electrical current. The source of the current was a magneto generator. A magneto is an electrical generator that uses permanent magnets to produce alternating current. Their current is produced by the fall of weights inside the master clock. Therefore, Magneto clocks needed no outside electrical source. The master clocks all have massive movements and thick brass plates. Dials were round and made of wood or brass and measured between 8 and 30 inches in diameter. Most of the large clocks were the master-slave variety. Each movement had a variation of a watch mainspring, so that position of the clock would not affect the running of the timepiece. For maritime usage the company devised a master clock which would activate any number of secondary (slave) clocks on board a ship....In 1900 Magneta Ag established a worldwide trade organization. In 1902 they had an office in New York City run by Hugo Reisinger who imported clocks from Landis and Gyr in Zug, Switzerland. By 1907 they were in Berlin, Cologne and Dusseldorf, Germany. In 1912 they established a London office, which by 1918 (possibly due to the war) had to move back to Zug, Switzerland. In 1922 they used the tradename Invicta and in 1935 the tradename Magneta. (Actually Magneta had been a trademark in use since 1902.)
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