Unidentified

5

Displays and Optical Technologies Inc.

2

Herschel, William, 1738-1822

1

Kelvin, Bottomley, & Baird, Ltd.

1

glass

4

metal

4

wood

2

brass

1

felt

1

leather

1

oxidized brass

1

paper

1

rayskin

1

velvet

1

Mirror

9