Private company

S G Brown Ltd

UK business1

S. G. Brown Ltd was established in 1903 by British engineer Sidney George Brown, to manufacture scientific instruments, It began to make one of it its best known products, the gyroscopic compass, during World War I. Previously, these had been imported from Germany. The company also supplied thousands of its 'Type A' headphones during World War I. From the advent of radio broadcasting, the company made headphones, radios, amplifying devices and loudspeakers for the domestic market.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1903Founded1

S. G. Brown Ltd was established in 1903 by British engineer Sidney George Brown, to manufacture scientific instruments, It began to make one of it its best known products, the gyroscopic compass, during World War I. Previously, these had been imported from Germany. The company also supplied thousands of its 'Type A' headphones during World War I. From the advent of radio broadcasting, the company made headphones, radios, amplifying devices and loudspeakers for the domestic market.2

Timeline

  1. 1903Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2