Prism and spectrum of light.

Spectroscope with five prisms, Rome, Italy, 1876.

Decorated pottery vessel, European, c 700-680 BC.

A1966.24/MS0001/3/8484

Solar spectroscope, 1881.

Experiments on the nature of colour, 1704.

Table of curves, 1704.

Ray diagrams, 1704.

Experiments on the nature of colour, 1704.

Table of curves figures 65 to 78, 1704.

Table of formulae on curved forms, 1704.

Experiments on differential refrangibility, 1704.