Demainbray's model of a camera obscura

King George III

1752

Demainbray's optical model

King George III

1752

Demainbray's turquoise disc

King George III

1745-1755

Demainbray's scioptric ball

King George III

1745-1755

Demainbray's optical model

King George III

1752

Demainbray's yellow disc

King George III

1745-1755

Demainbray's optical model

King George III

1752

Demainbray's optical model

King George III

1752

Demainbray's convex lens

King George III

1750

Demonstration apparatus showing recomposition of l

Optics

Distorting viewer: two prisms in cardboard case

Optics

1850-1924

oscillating prism

Science Teaching

1873-1877

"Milky" prism which produces Rayleigh scattering,

Optics

Bridge's diffraction demonstration apparatus

Optics

1860-1890

Combination of 3 prisms to show achromatism, by Wi

Optics

1872

Black glass pyramidal prism

Optics

1872

(Adjustable) complementary prism, in bronze mount

Optics

1872