Liquid Prism for angle of 60 º
1876
Liquid Prism for angle of 59 1/2 º
1876
Liquid Prism for angle of 59 1/2 º
1876
Direct-vision dispersing prism consisting of two glass prisms enclosing a prism-shaped space
Prism with two compartments for liquids
1876
Bisulphide of carbon prism angle 60 degrees
Adjustable liquid prism (late 19th century)
Biot type prism, in brass mount
circa 1872
Hollow prism made from a cylindrical glass bottle
1900-1931
Glass prism on mahogany stand for liquids.
Three Liquid Prisms
1876
Direct-vision dispersing prism
carbon bisulphide glass prism
1870