lifting magnet (upper half)
Date1910-1940
Inventory Number1997-1-0162a
ClassificationMagnet
Subject
Maker
Central Scientific Company
1889 - 2000
Cultural Region
Place of Origin
Dimensions7.3 × 7.6 × 7.7 cm (2 7/8 × 3 × 3 1/16 in.)
Material
DescriptionThe base of this object is a stout black cylinder with a rounded upper edge. From the center of the cylinder's top side emerges a smaller cylinder, also black; this cylinder has a large circular hole in the middle and a tightening screw runs through its rounded top. On either side of this smaller cylinder are two identical binding posts. Each features a thick ribbed cylinder fastened onto a screw, threaded end upright.
Signedunsigned
Curatorial RemarksLower half is catalogued under 1997-1-0162b.
FunctionTogether, the parts of this electromagnet were designed to lift heavy objects.
Central Scientific Company
Date: 1910-1940
Object number: 1997-1-0162b
Sanborn Company
Date: 1930-1945
Accessories: leather cover; cloth cover; thin red wire
Object number: 1996-1-0278
The W. M. Welch Scientific Company
Date: 1910-1940
Object number: 1996-1-0484
Underwater Sound Laboratory, Harvard University
Date: 1941-1949
Object number: 1997-1-2061a
Underwater Sound Laboratory, Harvard University
Date: 1941-1949
Object number: 1997-1-2061b
