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Russian Empire

Field telephone of the firm "N. To. Geisler and Co"

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Marking:
65245
Country:
Russian Empire
Period:
1914 – 1917
The original.
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Sold
Marking:65245
Country:Russian Empire
Dating:1914 – 1917
The original.
DescriptionReviews
Description

The oldest Russian firm producing telephone sets "N.To. Geisler andabout" were founded in 1874 as a workshop to repair Telegraph machines and was in St. Petersburg, Pochtamtskaya street. Its founder, Nikolai Karlovich Geissler (1850 – 1902) graduated from a Telegraph school, and in 1871 he enrolled as a mechanic at the St. Petersburg plant by German company "Siemens and Halske", and since 1874 has decided to open his own business in company with J. paired. Orders to repair the firm was provided by Saint-Petersburg state Telegraph. With the 1880s, the company started to repair telephone apparatus, and in 1896 was converted into "Electromechanical plant N.To. Geisler andabout" with number of workers more than 100 people, the Plant produced a Telegraph station, field telephone sets, telephone and Telegraph switchboards, fire alarm system and devices for fire control and mine transmitters for the Navy Department. In 1902, the firm won the tender for the construction and equipping of new Central telephone station in St. Petersburg. In 1909 the plant was renamed into "Joint stock company of Electromechanical and Telegraph Plant N. K. Geissler and Co." with the capital of 750 thousand rubles. In 1910s the plant produced, in addition to the telephones, switching equipment for telephone exchanges many of the major cities of Russia. In 1914 – 1917 the enterprise was almost completely switched to production of military products. Called OAO "Zavod imeni A. A. Kulakova" the company still exists and manufactures, as one hundred years ago, pribora for warships. Interestingly, field telephones as such during the First world war, it produced relatively little – most of the orders were for all sorts of devices for the Navy Department. So in our days, field telephones under the brand name "N. To. Geisler andabout" are extremely rare. The firm had its own design Bureau and its products are very different from products of competing firms "L. M. Ericsson" and "Siemens and Galske". Distinctive external feature of this phone are patch clamps, derived under the top cover of the box, as in most military vehicles of the time, and in particular the round niche in the side wall. The wooden box is somewhat smaller, much lighter and made very carefully. All elements of the electrical circuit of the telephone is assembled on a separate wooden base that is easily removed from the box for maintenance and repair. To improve noise immunity tube is the key that must be pressed when the transmission of the speech signal. This design was created for field telephones and without any changes lasted the entire twentieth century. It should be noted that many commercially available field telephones 1910s, past restoration, replacement of lost tubes-stocked tubes from civilian vehicles, usually of the 1920s; with this apparatus the tube is original. All parts and features of the phone is in perfect condition, preserved, and even a spare microphone. The machine is not repaired and not restored. External safety is fine except for two lost plates on the hull with letters indicating the colors of the wires of the line. The third panel is preserved, so that it can easily be reproduced both missing. Unique acquisition to the collection for connoisseurs and lovers of the history of domestic appliances.

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