magnetometer
Inventory Number0327a,b
ClassificationMagnetometer
Subject
Maker
Maison Breguet
1881 - 1960s
Cultural Region
Place of Origin
Dimensionsmagnetometer: 14 × 19 × 19 cm (5 1/2 × 7 1/2 × 7 1/2 in.)
box: 18 × 22.6 × 23 cm (7 1/16 × 8 7/8 × 9 1/16 in.)
box: 18 × 22.6 × 23 cm (7 1/16 × 8 7/8 × 9 1/16 in.)
Material
Accessoriesa= Magnetometer, b= wood box
DescriptionMarked with blue triangle, indicating use in Physics 3 [at Harvard] in the late 1920s.
"Bté SGDG" on the instrument is an abbreviation of the French " Bréveté Sans Garantie du Gouvernement." It indicates a patent, registered without guarantee of the government. In other words, it means that patent is applied for.
"Bté SGDG" on the instrument is an abbreviation of the French " Bréveté Sans Garantie du Gouvernement." It indicates a patent, registered without guarantee of the government. In other words, it means that patent is applied for.
InscribedB.4054
Curatorial Remarksfrom Physics Department, acquired through suggestion of Roger Hickman 1953 Old lab stamp # 3-43 display card on file two loose pegs (bronze) in box
FunctionTo assist in calculating the strength of the earth's magnetic field.
Elliott Brothers
Date: circa 1873
Accessories: box to hold magnetometer; separate items contained within
Object number: 1996-1-0040
Leeds & Northrup Company
Date: circa 1926
Accessories: cover; instruction sheets inside of cover (2)
Object number: 1997-1-0205
