1835 – 1836 – John Adam, builder and brickmaker, Gallowmuir, Duke Street and Moore Street, house 206 Duke Street, Glasgow.
1837 – John Adam, builder and brickmaker, 206 Duke Street, Glasgow.
1841 – 1842 – John Adam, Builder, brick, tile and pottery works, roman cement, charcoal, coal dust and British gum manufacturer and general grinder, Gallowmuir, 206 Duke Street, House ditto. (page 21).
22/01/1846 – Stirling Observer – Tile Burner wanted – A man who is thoroughly acquainted with burning drain tiles etc for a Work in Perthshire. He may have the making and turning them out by the thousand if he wishes. None need apply but such as can produce satisfactorily references as to abilities and sobriety etc. Apply to Mr John Ferguson, Port Street, Stirling or to Mr John Adam, 206 Duke Street, Glasgow.
1849 – 1850 – John Adam, builder, brick, tile and pottery works. Roman cement, coal dust and general grinder. 206 Duke Street. House 208 Duke Street.
16/08/1850 – Glasgow Herald – An advert for land for sale on the south side of Duke Street, Glasgow – refers to being bounded on the west side by Mr John Adam, Brick and Tile Maker …
14/03/1851 – Glasgow Herald – For Sale – Building materials, high-pressure steam engine about 6hp with steam boiler etc at Bothwell Tileworks; 70,000 bricks, 13,000 house tiles with couples, rafters and beams; and upwards of a thousand linear yards of sarking 14″ broad and 5/8″ thick, and dwelling houses with a with number of articles connected with the tilework; the whole nearly as good as new. Also a quantity of drain tiles of different sizes. For particulars apply at the works or to M. J. Adam, 206 Duke Street, Glasgow.
Below – 1852 – John Adam, builder and manufacturer of roman cement, brick, tile and pottery ware, chimney cans, sewerage pipes and general grinder. 232 Duke Street, Glasgow.
Below – 10/07/1857 – Glasgow Herald – Brick and Tile Works, 232 Duke Street for sale. (Note – SBH – I believe these may be the same works).
1858 – 1859 – John Adam, brickmaker. Work, 491 Duke Street. Office 232. Ho Larchgrove, Shettleston (Page 35).