E.—No. 7

14

REPORT ON THE TELEGRAPH DEPARTMENT.

Table L. COST of MAINTENANCE of TELEGRAPH LINES for the Financial Year ending 30th June, 1870.

Bluff to Balclutha Tokomairiro to Queenstown ... Balclutha to Waitaki Waitaki to Christchurch Christchurch to Greymouth ... Greymouth to Westport Christchurch to Blenheim Blenheim to Nelson, including White's Bay line Wellington to Napier ... Wellington to Patea ... Section. No. of Miles. 114 140 152 148 176 67 208 Salaries of Linemen. £ s. d. 168 17 5 213 6 1 257 1 8 308 6 8 397 10 0 150 0 0 427 10 3 Travelling Expenses. £ s. d. 260 15 3 269 6 10 369 14 6 256 9 3 502 4 0 242 16 4 278 5 5 Extra Labour. £ s. d. 277 19 6 482 16 4 872 12 4 360 13 3 481 14 0 Cost of Material used for repairs. £ s. d. 158 9 0 796 13 3 1,047 9 1 381 9 1 311 5 6 26 3 6 407 0 1 Total Cost of Maintenance. £ a. d. 866 1 2 1,762 2 6 2,546 17 7 1,306 18 3 1,692 13 6 418 19 10 1,489 1 1 Cost Per Mile. £ s. d. 7 11 Ilia 12 11 9 6 16 15 Oe 8 16 7i<2 9 12 4 e 6 5 1 7 3 2/ 376'"5 4 92 221 180 333 13 4 560 0 7 108 14 9 119 14 2 288 3 0 206 14 2 292 13 6 142 7 2 32 19 6 98 4 8 82 15 2 43 19 6 844 5 8 1,073 5 11 392 7 11 9 3 G\g 4 17 0 h 2 3 7 Auckland lines 1,498 164 2,925 0 9 729 11 8 2,794 2 11 633 7 3 3,320 0 11 157 19 0 3,353 8 10 206 13 6 12,392 13 5 1,727 11 5 8 5 5i* 10 10 8 j Totals 3,427 10 2 1,662 3,654 12 5 3,477 19 11 3,560 2 4 14,120 4 10 8 9 11 tc * Cost per mile Bluff to Napier and Patea. a Includes cost of lowering old poles between Invercargill and Balclutha. h Includes cost of reconstruction from Tokomairiro to Alexandra, c Includes cost of reconstruction from Balclutha to Waikouaiti, and insertion of new poles and running third wire from Dunedin to Tokomairiro to join goldfields line, d Includes cost of reconstruction from, limaru to Christchurch. e Includes cost of reconstruction of thirty miles of line from Hokitika to Bealey. f Includes 30st of reconstruction from Christchurch to Woodend. g Includes cost of reconstruction of three miles of line south of Nelson; insertion of new totara poles from the junction of Bienheim and White's Bay line to Picton, and insertion of fifty ;otara polos, and running of third wire from junction to White's Bay. h Includes cost of clearing bush at the Taueru; running the second wire from Tenui junction to Castle Point, and sundry deviations of the line between Featherston and Hutt. i Includes cost of repairs of line between Cambridge and Alexandra; dismantling of old line between Alexandra jnd Newcastle; also of branch line to Kihi Kihi, and extra cost of maintenance of old line between Newcastle aud Auckland prior to reconstruction. Tc Total average cost per mile. Table M. Insulation Tests of the Cook Strait Cable for the Tears ending 30th June, 1868, 1869, and 1870, respectively, showing the resistance per knot, after two minutes' electrification, in millions of Ohmads (British Association units of resistance). ', and milDate. rH d CM d te o d te Date. d H d to d 6 te 03 CO d te Date. rH 'O 6 h 6 CD s co d .867— September 1 30 ... October 14 ... November 1 ... 14 ... )ecember 2 ... 1868— September 11... 17... 1869— July 27 .. August 24 ... September27 ... 649 667 745 9. 7. 13. 1,104 1,200 1,274 473 634 547 598 574 608 71 102 179 32.6 10.6 10.5 554 634 620 667 643 709 630 697 22.5 63.5 946 1,000 fOctober November 8 ... 582 5."' 1,'2*53 December 3 ... 1870— January 22 ... February 22 ... March 18 ... 20 ... April 26 ... May 31 ... 638 2.5 1,159 1869— March 27 ... 467 26 729 526 417 442 344 430 456 2. 3. 3.4 2.06 8.6 .446 865 707 967 619 |812 871 April May >> June 19... 11 ... 17... 22... 483 562 531 522 30 31 14 15 748 950 963 931 .868— 'June 7 ... June 26 ... 355 2.3 622 930 5.5 1,094 # This lest was tal :en witl zinc to earth, and the oti lers with co to earth. Noti :st takei