3

D.—2

Enclosure 1 in 1 of No. 4. Result of Testing Axles with a Ton Weight falling on them.

l. Numbers of ' Axles Tested. 2. Brand on Axle. 3. Distance between Supports. Height Fall. dumber ti. Deflection. 7. Character of Fracture. A. 1 Staffordshire Wheel and Axle Company Broke in ship's hold Coarsely crystalline, with flaw. B. 2 w n f 4 feet 3 inches I 1 foot )j 1st 2nd 3rd 4th 5th 6th inch I inch J inch, total 1J inch, total lg inch, total Broke B ;? J J) » ■-• •• • L ., „ axle reversed, 180° H 1 foot 10 inches w n C. 3 M r) 1 foot i0 inches Coarsely crystalline, white n !? ( 5 feet 1 foot 4 inches 1st 2nd 3rd § inch 1^ inch, total Broke IX. 4 n ;) n Coarsely crystalline, white. " rf I 5 feet 1 foot 4 inches 1st 2nd 3rd § inch Clinch, total Broke E. 5 . " n » i) ») Coarsely crystalline, white. ??■ ?) J 5 feet 1 foot 5 inches 1st 2nd J inch Broke Crystalline, white (coarse). P. 1 -) Midland Iron Company i feet 3 inches ... 1 foot 10 inches 1st Broke Coarsely crystalline, white. •G. 2 n j) ;? » f 5 feet ! „ axle reversed, 180° ( „ same position [ :; :: ::: 1 foot 4 inches » 1st 2nd 3rd 1st 2nd 3rd 4th 5th ib inch jj inch, total \\ inch, total Returned to inch Returned to -^ inch ■fg inch below straight 1| inch below straight Broke ;5 n jj :t H » Fibrous, with smaller crystals, grey and white mixed n ;» » H. 3 •• » — » J) •■• )> » •■• f 5 feet J „ axle reversed, 180° „ same position 2 feet 3 feet i feet 1 foot 5 inches 1st 2nd 3rd 1st 2nd 3rd J inch •jj inch, total 1£ inch, total Returned to J inch Returned to \ inch Broke i) n • •• ,, jj Fibrous, with smaller crystals, grey and white mixed flaw. » •) I. 1 » ?» • - • » » » 2 feet Lancaster Wagon Company ( 5 feet 1 foot i inches 1st 2nd 3rd 1st 2nd 3rd 4th 3th 6th 7th 1st 2nd I inch yg inch, total 1J inch, total Returned to finch Returned to -fa inch •j! inch below straight 1§ inch below straight 2\ inches below straight 3| inches below straight 4| inches below straight Returned to 3-^ inches Broke i » ;) n ;> „ axle turned, 180° „ same position ), h n 5) p ?) ti ?> - I « )» 1 foot 5 inches 2 feet 3 feet i feet 5 feet 4 feet 5 feet 9 ; n is M » )» » • * • M •) i ,, axle turned, 180* I „ same position n ■) ••• Fibrous, with small crystals, grey and white mixed. rt n