Unidentified

5

Batenburg and Company

1

Bird, John

1

Cail, Septimus Anthony

1

Cary

1

Cox, William Cox III or William Charles

1

Crichton, John or Joseph

1

Dollond, John or John II or Peter

1

Gilbert, John

1

Greenough, Thomas

1

mahogany

27

glass

23

brass

21

ivory

14

ebony

9

wood

7

boxwood

6

silver

4

mercury

2

metal

2

Octant

11

Sextant

6

Navigational Instrument

3

Clock

2

Backstaff

1

Barometer

1

Planisphere

1

Slide

1

Surveyor's Wheel

1