H.—lsa.

No. 2.—Return of Defects found on Inspection of Boilers during the Financial Year ended the 31st March, 1910.

2—H. 15a.

9

• Description of Defects. Dangerous. Defective in Lesser Degree. Total. A number of rivets in shell bad All screwed stays in firebox bad Angle-iron collar on top of uptake defective ... Back end-plate pitted Back tube-plates bulged ... Back tube-plate thin Barrel of boiler wasted Boilers dirty inside Bottom of firebox wasted ... Bottom of shell thin Bottom row of tubes bad ... Brickwork-setting defective Bulged slightly at back end Bulged under bottom of shell Compensating-ring round manhole wasted ... Corroded internally Coupling-pins in longitudinal stays bad Cracked at back tube-plate Cracked in firebox (pressure reduced) Cracked slightly at a number of rivet-holes ... Cracked slightly in firebox Cracked under bottom of shell Cross-tubes thin ... Crown of boiler wasted Crown of firebox bad Crown of firebox badly bulged Crown of firebox slightly bulged Crown of firebox wasted ... Crown of steam-dome wasted Eighteen tubes bad Eleven rivets in front end-plate defective Eleven screwed stays in firebox bad End-plate at top half defective Fifty screwed stays in firebox bad ... Fifty-two screwed stays in firebox bad Firebox badly pitted Firebox bulged at back end and crown leaking Firebox general waste Firebox-sides bulged Firebox-sides thin Firebox thin (pressure reduced) Firebox thin at back left-hand corner Firebox wasted on outside shell Five rivets in foundation-ring bad ... Five stay-tubes defective ... ... ■ Forty-four screwed stays bad Forty-three screwed stays bad Forty-two screwed stays bad Forty screwed stays bad ... Foundation-rings round bottom of firebox defective Four stay-tubes bad Fourteen tubes bad Front plates wasted Front tube-plates wasted ... Front tube-plate wasted (pressure reduced) ... Furnace-crowns down Furnace-crowns wasted ... ... Furnaces thin at bottom ... Furnaces thin at sides Furnaces weak; have been strengthened Galloway tubes thin General deterioration (pressure reduced) Girders on crown of firebox wasted... Girder-stays defective Grooved at front end of furnaces Grooved on end-plate at edge of angle-irons ... Grooved on furnace-crowns 2 3 "i 2 i l 2 2 1 2 1 2 63 1 5 2 17 4 4 1 12 2 2 2 11 4 2 2 2 1 1 3 10 1 3 1 1 1 2 2 2 1 2 1 2 63 1 8 2 18 ' 4 4 1 12 2 2 2 11 4 2 2 2 1 3 3 10 1 3 1 1 1 1 1 1 1 16 2 4 3 1 1 1 1 1 1 1 3 7 1 2 4 4 1 3 4 3 4 2 1 106 5 2 2 1 2 "8 1 1 8 2 4 3 1 1 1 1 1 1 1 3 7 1 2 4 4 1 3 4 3 4 2 1 106 5 2 2 1 2