1851 Great Exhibition: Official Catalogue: Class X.: Bryson and Sons
154. BRYSON and SONS, Edinburgh — Inventors and Manufacturers.
Five models, exhibiting the various escapements of watches at present in general use.
Self-registering barometer clock.
665. BRYSON and SONS, Edinburgh — Inventors and Manufacturers.
Five models, exhibiting the various escapements of watches at present in general use, and a self-registering barometer clock.