FOS vs Hilger Crystals

Side by side, from the public record each company was imported from. Where a figure is missing it is because no source we hold states it — not because it is zero.

Hilger Crystals is the older of the two, founded in 1874 — 25 years before FOS.

Founded: 1899; 1874
Status: Closed 1911; Active
Headquarters: Warsaw, Poland; United Kingdom, United Kingdom
Industry: optics; optics
Founders: Aleksander Ginsberg; John Adam Hilger, Otto Hilger
Website: Not recorded; hilger-crystals.co.uk

Facts on both companies come from the public records named on FOS and Hilger Crystals.