10 inch shellac 78 rpm disc record
1933
10 inch shellac 78 rpm experimental stereo disc record
1934
RCA Victor long playing record of 1931.
1931
Vinyl record, the voice of Lord Kelvin.
1978
12 inch vinyl LP disc record
1959
Record of Gravity Determinations Made By a Dutch Submarine
1923
12 inch vinyl LP disc test record
1955-1965
Record of Gravity Determinations Made By a Dutch Submarine
1923
'World' constant-linear-speed record
1922
Gramophone records synchronised for Walturdaw soundfilm system
Two early long-playing (LP) records, 1951-1960
1950-1991
Frank Chacksfield and his Orchestra 7-inch vinyl single
1972
12 inch vinyl LP disc test record
1955-1965
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
British Railways Technical Centre - Locomotive Testing Station Records, Rugby
Zonophone 5" record
Record with hybrid magnet and vibrator
Atmospheric electricity records made with Water Dropper and Dale Zalek electrometer at Eskdalemuir Observatory
1910
Three records of gravity determinations made in the Atlantic Ocean
1932
Record, single-sided 10" marked "PERMAREC" (untitled) from the effects of Lawrence Savage
1930-1940
Record, double-sided 12" twin-grooved
1938 (February 1938)
Stereophonic demonstration test record, 1958
1958
Atmospheric electricity records of varying positive potential gradient at Kew Observatory
1909-1910
Imperial miniature (3 1/2") record
Atmospheric electricity records of potential gradient varying between positive and negative
1909-1910