


Anemometer designed by Biram
1874

Compass microscope, England, 1731-1770
1731-1770

Jackson's rapid rug knitter
1930-1940
First Aid splint
First Aid splint
First Aid splint
First Aid splint
First Aid splint
Demonstration steam engines
Wooden handloom for making braid with accessories
First Aid splint
Aeroplane psychrometer Mark II, 1918-1922.
1918-1922
Smyth's revised ozonometer
1865