Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,354 pages of information and 233,518 images on early companies, their products and the people who designed and built them.
Christiani and Nielsen of Romney House, Marsham Street, London, SW1.
1920 Floating Pile-driver for reinforced concrete piles.
c.1925 Worked on construction of Barking Power Station
1937 Reinforced concrete specialists.