lubricant and friction testing machine
Datecirca 1925
Inventory NumberDW0541a
ClassificationFriction Machine
Subject
Maker
J. H. Steward Ltd
fl. 1852 - 1930
Inventor
Richard M. Deeley
1855 - 1944
Cultural Region
Place of Origin
Dimensionstesting machine: 30 × 15.6 × 15.6 cm (11 13/16 × 6 1/8 × 6 1/8 in.)
case: 50.5 × 21.5 × 19.8 cm (19 7/8 × 8 7/16 × 7 13/16 in.)
case: 50.5 × 21.5 × 19.8 cm (19 7/8 × 8 7/16 × 7 13/16 in.)
Material
Accessorieswooden case; friction discs (4); pulleys (2); small metallic case; key; tube
DescriptionThis instrument consists of a circular base over which is set a crank and gearing mechanism that put in rotation a lubricant pan. Three columns support a large cylindrical drum in which is found a needle and dial that indicates the amount of friction generated by the machine's movement. An iron coil spring is fixed under the drum. The friction discs were put in the pan.
For a complete technical description, see the patent mentioned in the Curatorial Remarks section.
For a complete technical description, see the patent mentioned in the Curatorial Remarks section.
Signedon top: J.H. STEWARD LTD / STRAND, LONDON
Inscribedon top: No 42 / R.M. DEELEY'S PATENT / No.18801 Nov.1918 / No. 19934 Dec.1918 / U.S.A. PAT No. 659626 [serial number]
Curatorial RemarksThe U.S. patent for this machine is 1,517,410 and it was granted in December of 1924. See it online <a href="http://www.google.com/patents?id=rNdAAAAAEBAJ&dq=r.m.+deeley" target="_blank">here</a>.
FunctionThis machine was used to test the quality of a lubricant (thus to avoid friction) or to determine the amount of friction between to metallic discs rotating against each other.
ProvenanceDavid Wheatland purchased from Saul Moskowitz (Historical Technology, Inc.), Marblehead, Massachusetts, March 16, 1981 (catalog 121, #183).
Sight Light Corporation
Date: circa 1933
Accessories: box
Object number: 2184
Date: 1940
Accessories: contains 24 metal rods of different shapes and sizes; 4 pulleys (?) & 1 cardboard circle with plastic film, and other asst. unidentifiable parts
Object number: 1998-1-0643
Theodore William Richards
Date: 1890-1920
Accessories: Bars contained in box are: 4936 bismuth sample [?], 4937 copper sample, 4938 lead sample.
Object number: 4942
American
Date: 1870-1920
Accessories: three 4x5 photographs; an envelope with three 4x5 slides
Object number: 4353
Department of Geology and Geography, Harvard University
Date: 1965
Accessories: white sphere, possibly belonging to this model?
Object number: 2011-1-0034
Department of Geology and Geography, Harvard University
Date: 1950s-1960s
Object number: 2011-1-0062
W. & S. Jones
Date: circa 1804
Object number: 0077d
See also/See also
