1862
|
John Nicol
|
Portable Tents for Photography [exhibited]
|
1864
|
John
Nicol
|
An
Improved Washing Machine for Washing Prints
|
1865
|
Henry Robertson
|
A
New Tent for Photographic Purposes mounted on a Wheelbarrow
|
1866
|
Andrew Nelson
|
A New Form of Box Tent
|
1867
|
D
T K Drummond
|
On Wet and Dry Collodion - A New
Portable Tent [with
Exhibit]
|
1868
|
Thomas Pringle
|
Exhibition of
Grisdale Washing Machine
|