Thomas J Walls and his
company have a history of over 100 years as instrument makers and opticians.
They
were listed in the trade directories as photographers for just three years, 1895-97.
At
the Photographic Convention
of the United Kingdom, held in Edinburgh in 1892, they exhibited:
"several
novelties and a hand-camera with dark slides of simple and efficient
make." [Amateur
Photographer: 22 Jul 1892]
Businesses
Thomas J Walls, instrument maker subsequently
became Walls & Fraser. The businesses of these companies, as
reported in the Edinburgh Trade Directories were:
Thomas
J Walls
1891
:Scientific Instrument Maker
1892-1894:Scientific Instrument
Maker Dealer in Photographic Apparatus and Chemicals