Watt, A.

4

John Cuthbertson, Amsterdam

3

Jan Paauw, Leiden

2

Logeman & Funckler

2

Aneroid barometer

1

G. Maxant, Paris

1

H. Olland, Utrecht

1

J.F. van Deene, Amsterdam

1

Jac. Coury, Rotterdam

1

John Cuthbertson

1

Julius Peters, Berlijn

1

Local workshop make

1

Merkelbach en Co Instr. Amsterdam

1

O. Hempel, Parijs

1

Pasteur, Bernard Francois

1

Probably W. Parker, London

1

Sup. by Johann Heinrich Hurter

1

T. Peres, Amsterdam

1

Glass

51

brass

50

Mahogany

12

Iron

10

Copper

4

leather

4

Boxwood

3

glas

2

Messing

2

oak

2

Wood

2

cillumien

1

Glass.

1

green paper

1

hout

1

ivory

1

koper

1

mercury

1

Metal

1

tinned

1

Wire

1

wool

1

zinc?

1

propeller

2

windmolen

2

vacuümtafel

1