List of figures
in Measuring difference, numbering normal

Figures

3.1‘How to pass and receive a telephone call’, in ‘Guidance for Subscribers on How to Articulate and Pronounce Vowels and Consonants, and Phrases to Use When Speaking on the Telephone’, October 1923. British Telecom Archives, London, TCB 325/EHA 19771
3.2The artificial ear, Post Office Research Station, Dollis Hill. Records created and used by the Post Office telegraph and telephone service 1854–1969. British Telecom Archives, London, TCB 473/P 351378
3.3Advertising booklet, ‘A Telephone for Deaf Subscribers’, 1936. British Telecom Archives, London, TCB 318/PH 63284
3.4‘Telephone Service for the Deaf’, 1938. British Telecom Archives, London, TCB 318/PH 63289
3.5‘Suggestion that a flat mouthpiece, instead of the normal cupped one, should be provided to facilitate the use of a telephone in conjunction with a deaf aid worn on the chest’. Letter from W. S. Clark to Telephone Headquarters, 20 March 1954. British Telecom Archives, London, TCB 2/172, folder ‘Telephones for Deaf People’93
4.1Audiometer. Image and object courtesy of Thackray Medical Museum, Leeds112
4.2Engineer’s drawing of the hearing aid adaptor. The Services Division, letter dated September 1947, in ‘Special Apparatus Fitted on Telephone Exchange Lines Rented by Deaf Subscribers’. British Telecom Archives, London, TCB 2/172127
4.3The Medresco hearing aid telephone adapter, in ‘Special Apparatus Fitted on Telephone Exchange Lines Rented by Deaf Subscribers’. British Telecom Archives, London, TCB 2/172130
5.1Lowne spirometer, 1904. Image and object courtesy of the Thackray Medical Museum, Leeds143
5.2Map of the south Wales coalfield marking the positions of the sixteen collieries of the MRC chronic pulmonary disease inquiry, 1942. Chronic Pulmonary Disease in South Wales Coalminers: Report by the Committee (Medical Research Council Special Report Series No. 243) (London: His Majesty’s Stationery Office, 1942). The National Archives, London, FD 41243, p. 11161
6.1Drinker respirator and Drinker–Collins respirator. ‘Breathing Machines’ and Their Use in Treatment: Report of the Respirators (Poliomyelitis) Committee (Medical Research Council Special Report Series No. 237) (London: His Majesty’s Stationery Office, 1939), plate 1186
6.2Bragg–Paul pulsator and Burstall jacket respirator. ‘Breathing Machines’ and Their Use in Treatment: Report of the Respirators (Poliomyelitis) Committee (Medical Research Council Special Report Series No. 237) (London: His Majesty’s Stationery Office, 1939), plate 3189

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Measuring difference, numbering normal

Setting the standards for disability in the interwar period.

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