51. IOR/L/PWD/7/1274 Reference (shelfmark): IOR/L/PWD/7/1274 Title: File 153 Mechanician, Tehran Scope & Content: Earlier papers destroyed Collection Area: India Office Records and Private Papers Languages: English Date Range: 16 Mar 1923-30 Jan 1930 Extent: 1 volume
52. IOR/L/PWD/7/1275 Reference (shelfmark): IOR/L/PWD/7/1275 Title: File 153 II Workshop Mechanicians, Karachi Scope & Content: Earlier papers destroyed Collection Area: India Office Records and Private Papers Languages: English Date Range: 16 Nov 1909-14 Mar 1929 Extent: 1 volume
53. IOR/L/PWD/7/1276 Reference (shelfmark): IOR/L/PWD/7/1276 Title: File 156 Russo-Chinese Telegraph Convention, and Convention between China and Submarine Telegraph Companies Collection Area: India Office Records and Private Papers Languages: English Date Range: 5 Dec 1893-7 Nov 1899 Extent: 1 volume
54. IOR/L/PWD/7/1277 Reference (shelfmark): IOR/L/PWD/7/1277 Title: File 159 Capital account, Indo-European Telegraph Department Collection Area: India Office Records and Private Papers Languages: English Date Range: 26 Nov 1893-09 Dec 1929 Extent: 1 volume
55. IOR/L/PWD/7/1278 Reference (shelfmark): IOR/L/PWD/7/1278 Title: File 165 Cables for Indian Telegraph Department Collection Area: India Office Records and Private Papers Languages: English Date Range: 13 May 1895-29 Jun 1928 Extent: 1 volume
56. IOR/L/PWD/7/1279 Reference (shelfmark): IOR/L/PWD/7/1279 Title: File 177 Professional examinations Scope & Content: Earlier papers destroyed Collection Area: India Office Records and Private Papers Languages: English Date Range: 22 Jan 1919-09 Sep 1930 Extent: 1 volume
57. IOR/L/PWD/7/1280 Reference (shelfmark): IOR/L/PWD/7/1280 Title: File 178 J W Tanner Collection Area: India Office Records and Private Papers Languages: English Date Range: 29 Jan 1894-17 Jun 1920 Extent: 1 volume
58. IOR/L/PWD/7/1281 Reference (shelfmark): IOR/L/PWD/7/1281 Title: File 193 W D Cumming Collection Area: India Office Records and Private Papers Languages: English Date Range: 14 Mar 1894-30 Mar 1921 Extent: 1 volume
59. IOR/L/PWD/7/1282 Reference (shelfmark): IOR/L/PWD/7/1282 Title: File 201 E M Norris Collection Area: India Office Records and Private Papers Languages: English Date Range: 16 Apr 1894-13 Feb 1931 Extent: 1 volume
60. IOR/L/PWD/7/1283 Reference (shelfmark): IOR/L/PWD/7/1283 Title: File 202 W A T Pettigrew Collection Area: India Office Records and Private Papers Languages: English Date Range: 7 May 1894-16 Sep 1919 Extent: 1 volume