Set of 3 prisms (2 crown glass, 1 flint glass), in red leather case
- maker:
- John Dollond
Set of 3 prisms (2 crown glass, 1 flint glass), made by John Dollond to illustrate the principle of his achromatic object glass, 1758 (in red leather case)
Set of 3 prisms (2 crown glass, 1 flint glass), made by John Dollond to illustrate the principle of his achromatic object glass, 1758 (in red leather case)