H.—ls.

Return of Land Boilers and Machinery inspected during the Year ended 31st March, 1931.

Return of New Boilers inspected for the Year ended 31st March, 1931.

Return of the Number of Certificates issued to Land Engine-drivers and Electric tram Drivers during the Year ended 31st March, 1931.

Return of Land Engineers', Engine-drivers', and Electric-tram Drivers' Examinations held throughout New zealand during the Year ended 31st March, 1931, showing the Number of Successful and Unsuccessful Candidates.

39

Class. * Boilers— Stationary, portable, and traction Digesters, jacketed pans, sterilizers, vulcanizers, and other steam receivers Air-receivers Total boilers Machinery— Electric motors Internal-combustion engines Water-power engines Lifts .. Cranes Hoists Total machinery Grand total Not exceeding 5 Horse-power. 1,115 •• 19,845 12,200 280 Exceeding 5 but not exceeding 10 Horsepower. 1,383 •• 3,932 1,042 102 Exceeding 10 Horse-power, 2,491 4,595 1,268 215 Total. 4,989 2,613 543 8,145 28,372 14,510 597 3,096 287 1,323 48,185 56,330

Class. Stationary, portable, and traction Digesters, jacketed pans, sterilizers, vulcanizers, and other steam receivers Air receivers Totals Made in Dominion. Number. 46 79 67 192 Horse-power. 927 927 Imported. Number. 55 81 126 262 Horse-power. 1,483 1,483 Number. 101 160 193 454 rotal. Horse-power. 2,410 2,410

Class. Service—First-class engine-driver.. Competency— First-class engine-driver Second-class engine-driver Steam-winding-engine driver Electric-winding-engine driver Number. 1 24 157 4 1 Class. Competency— continued. Locomotive- and traction-engine driver .. Locomotive-engine driver Traction-engine driver Electric-tram driver Number. 41 4 23 43 298

Place. Auckland Christchure.h Dunedin Gisborne Greymouth Hamilton Invercargill Napier Nelson New Plymouth Palmerston North Thames .. Timaru .. Wanganui .. .. 1 Waimana Wellington .. .. j Whangarei Totals First Class. P. 9, 3 1 2 I i i 3 2 2 1 19 F. 1 3 1 2 1 1 2 1 4 i 2 2 21 Second Class. P. ?1 3 4 5 7 28 7 in 13 16 10 3 6 1 9 5 148 F. 8 1 5 5 14 10 4 4 9 ? 1 7 76 Steam P. • CO • • • • 3 Winding. F. Electric Winding. p. If. l l 31 p. 7 s .. 3 2 .. ! 3 ■ 1 1 .. ; 2 •• 1 1 ■• ... 1 25 1 3 Locomotive. P. 1 ■ • i ■ • i ;; i 4 F. 2 1 Traction. P. 5 3 1 1 j 12 .. 23 F. i i i 3 Electrictram Driver. P. 5 14 11 13 43 F. 1 3 *| Total. P. dO 26 23 13 35 12 11 14 19 15 17 24 7 266 |,7 2 10 1 7 17 12 g 4. 11 9 I 1 3 g 10 111 1 1 ■if! 28 33 20 52 24 17 IS 30 24 ] 18 11 i 17 377