brass pulley wheel
Datecirca 1765
Inventory Number1998-1-0259
ClassificationPulley
Subject
Dimensions5.3 × 3.8 × 1 cm (2 1/16 × 1 1/2 × 3/8 in.)
Material
DescriptionBrass pulley wheel, associated with weights and pulleys demonstration model (0008)
Signedunsigned
Curatorial RemarksSee weights and pulleys demonstration model (0008)
FunctionTo obtain a mechanical advantage when lifting or supporting a weight
Central Scientific Company
Date: circa 1929
Object number: 1998-1-1848
John Cuthbertson
Date: 1770-1815
Accessories: brown storage box, descriptive tag, thin strip of paper in box with the inscription "lucernal microscope" in David P. Wheatland's handwriting (which refers to figs. 47-48 and 51 in this series), page from the book "Old Science and Medicine" with a photographic copy of the first print from this series, entitled "The Large Electric Machine at Haarlem."
Object number: 1998-1-1087
W & R Chambers
Date: 1860-1900
Accessories: rectangular and round wood stretchers
Object number: 1998-1-1432c
Benjamin Martin
Date: circa 1765
Object number: 0075
See also/See also
