H.—lsa.

No. 2. —Return of Defects found on Inspection of Boilers during the Financial Year ended the 31st March, 1912.

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Description of Defects. Dangerous. Defective in Lesser Degree. Total. A number of rivets in shell defective All screwed stays in firebox bad All sling stays defective Angle collars on uptake wasted Back end of furnace wasted Back end-plate pitted Badly pitted Boilers dirty inside Bottom of firebox wasted Bottom of shell thin Brickwork-setting defective Bulged slightly at back end Bulged under bottom of shell Corroded internally .. Coupling-pins in longitudinal stays defective .. Cracked in firebox Cracked slightly at a number of rivet-holes Cross-tubes wasted Crown of boiler wasted Crown of firebox bad Crown of firebox badly bulged Crown of firebox cracked Crown of firebox slightly bulged Crown of firebox wasted Crown plate of boiler bad Eight screwed stays in firebox bad Eighty-four screwed stays in firebox bad Fifteen tubes bad .. .. .. • * Fifty tubes bad Firebox general waste Firebox sides bulged Firebox sides thin Firedoor-ring cracked at corners Five screwed stays in throat-plate broken Flanging of furnace cracked Forty-two screwed stays in firebox bad Forty-three rivets in shell defective Foundation-rings round bottom of firebox wasted Four stay-tubes bad Fourteen screwed stays in firebox bad Front tube-plates wasted Furnace-crowns down Furnace-crowns wasted (pressure reduced) Furnaces thin at bottom G-alloway tube bulged Galloway tubes thin General deterioration (pressure reduced) Girders on crown of firebox wasted Girder-stays defective Grooved at foundation-ring Grooved on furnace-crowns Grooved on tube-plates Gusset-stays defective Hanger bracket for boiler defective Lamination in bottom shell-plate Lamination in furnace-plate.. Leaking at corners of foundation-ring Longitudinal seams wasted Longitudinal stays wasted Manhole-doors bad Manhole-door riveting defective Manhole-door spigots defective Mudhole-doors bad Mudhole-door dogs bad Mudhole-door studs bad 1 1 2 1 1 1 8 2 1 2 1 1 1 48 2 2 10 3 10 1 2 1 18 2 3 2 3 1 4 2 1 1 1 3 3 1 1 1 1 1 1 2 1 1 1 50 2 3 10 3 10 1 2 1 18 2 3 3 3 1 4 2 1 1 1 1 1 8 3 5 1 1 1 1 1 3 1 1 2 1 2 1 r 2 90 2 1 2 1 1 3 1 3 1 2 1 6 15 2 7 37 2 6 i 1 3 1 1 2 1 2 1 1 2 90 2 1 2 1 1 3 1 3 1 2 1 6 15 2 7 32 2 6 5