Tags: Trade Union.
The Operative Bricklayers’ Society (OBS) was a British New Model Trade Union based in London.The society was founded in 1818 as the London Bricklayers’ Society but by 1829 had developed into a national operative union. By the 1840s the union had about 1400 members roughly 2% of the total number of bricklayers in the country at the time.