


Record of Gravity Determinations Made By a Dutch Submarine
1923

RCA Victor long playing record of 1931.
1931

12 inch vinyl LP disc test record
1955-1965

12 inch vinyl LP disc test record
1955-1965

12 inch vinyl LP disc record
1959

10 inch shellac 78 rpm disc record
1933

'World' constant-linear-speed record
1922

Decca constant frequency record No.1. Exp.55.

Shure Trackability Test Record TTR-101 (33 1/3 r.p.m.) by Shure Brothers Inc
1967

Frank Chacksfield and his Orchestra 7-inch vinyl single
1972

Two early long-playing (LP) records, 1951-1960
1950-1991

Vinyl record, the voice of Lord Kelvin.
1978

10 inch shellac 78 rpm experimental stereo disc record
1934

Record of Gravity Determinations Made By a Dutch Submarine
1923
Class 40 locomotive no 40155
Three records of gravity determinations made in the Atlantic Ocean
1932
Zonophone 5" record
Stereophonic demonstration test record, 1958
1958
Record, double-sided 12" twin-grooved
1938 (February 1938)
Record, single-sided 10" marked "PERMAREC" (untitled) from the effects of Lawrence Savage
1930-1940
Imperial miniature (3 1/2") record
British Railways Technical Centre - Locomotive Testing Station Records, Rugby
Atmospheric electricity records made with Water Dropper and Dale Zalek electrometer at Eskdalemuir Observatory
1910
Atmospheric electricity records of potential gradient varying between positive and negative
1909-1910
Atmospheric electricity records of varying positive potential gradient at Kew Observatory
1909-1910