Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,100 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
of New Grange Works, Edinburgh, Scotland. Telephone: Edinburgh 61151. Telegraphic Address: "Alder, Edinburgh"
1850 Company established.
1914 Manufacturers of gas meters, including coin-in-the-slot meters. Employees 450. 
1922 Patent - Improvements in and relating to coin-freed prepayment and price-changing mechanism.
1929 Patent - Improvements in and relating to wet gas meters.
1937 Listed Exhibitor - British Industries Fair. Latest designs Ordinary and Prepayment Dry Gas Meters. Demonstration and Test Meters. Standard Test Holder and Meter Testing Apparatus to Board of Trade Specifications. (Stand No. Ca. 403)