H.—ls.

Return of the Number of Land Boilers and Machinery inspected during the Financial Year ended 31st March, 1923.

Machinery. Class. Number. Class. Number. Hydraulic lifts .. .. .. .. 263 Electric motors .. .. .. .. 8,013 Gas-lifts .. .. .. .. .. 6 Gas-engines .. .. .. .. 1,394 Electric lifts .. .. .. .. ..788 Oil-engines .. .. .. .. 12,964 Steam-lifts .. .. .. .. .. 8 Gas, hydraulic, and electric-motor hoists.. .. 923 Total.. .. .. .. 24,963 Water-engines, peltons, turbines, and water-wheels 604

Return of New Boilers inspected for the Year ended 31st March, 1923.

Return of the Number of Service and Competency Certificates issued to Engine-drivers and Electric-tram Drivers during the Year ended 31st March, 1923.

37

'oilers. Class. I I Not exceeding 5 Horse-power. Exceeding 5 but not exceeding 10 Horsepower. Exceeding 111 Horse-power. Total. I Stationary Portable Totals 3,034 226 3,260 3,034 226 778 1,101 2,545 477 6,357 1,804 1,879 3,022 8,161

Made ii i Dominion. Imported. 'otal. District. Nmnbor. Horse-power. Number. Horse-power. Number, Horse-power. Auckland Auckland North Auckland South Canterbury North Gisborne Hawke's Bay Nelson Otago Southland Taranaki Taranaki North Wellington Wellington North Westland 41 ii 43 1 22 6 4 533-92 160 26375 23 274 187-4 41 24 1 4 3 2 5 3 4 6 12 5 17 1 2 649-2 5 30 134-25 10 66-5 271-5 20 347 93 31-5 350-3 5-5 18 65 1 4 14 2 48 4 26 12 16 5 47 4 11 1,183-12 5 30 291-25 10 330-25 294-5 294 534-4 134 31-5 9735 21-26 113-0 30 3 9 6232 15-75 95 Totals 170 2,217-02 89 2,031-75 259 4,248-77

Class. Number. I i Class. Number. Service— First-class engine-driver Competency— First-class engine-driver Second-class engine-driver Steam-winding-engine driver .. 8 Competency— continued. Electric-winding-engine driver Locomotive- and traction-ongine driver .. Locomotive-engine driver Traction-engine driver Electric-tram driver 3 72 7 79 43 49 262 15 Total 538