Telegraph electromagnets

Commodity a leaf — nothing below it, 7 links to KBLI

Level: Commodity
Parent: 43222700
Below: 0
Links · KBLI: 7

Definition

UNSPSC 43222702

A component of a telegraph system that consisted of a coil of from 50 to several hundred turns of insulated wire wrapped around an iron core. It pulled on a piece of iron whenever an electric current was passed through it. These devices first caused marks to be made on a paper tape and then, when it was discovered that people could decipher the noises that they made by ear, they developed into the electromagnetically operated "sounders" used from the 1850s to the 1950s

Same parent

Under 43222700 · 4

43222701 Telegraph keys Commodity 43222702 Telegraph electromagnets You are here 43222703 Telegraph sounders Commodity 43222704 Telegraph switch board Commodity

Activities that produce or sell this

KBLI · 7

Inherited from family 43220000.

26310 Industri Peralatan Telepon dan Faksimili Sub-class 26320 Industri Peralatan Komunikasi Tanpa Kabel (Wireless) Sub-class 26399 Industri Peralatan Komunikasi Lainnya Sub-class 27310 Industri Kabel Serat Optik Sub-class 46511 Perdagangan Besar Komputer dan Perlengkapan Komputer Sub-class 46523 Perdagangan Besar Peralatan Telekomunikasi Sub-class 46902 Perdagangan Besar Berbagai Macam Barang Selain di Grosir/Perkulakan Swalayan Sub-class

Warning
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