bo | 
LS 
for) 
PROCEEDINGS OF SECTION J. 
2.—WRovuguT [Ron. 
| Tenacity. Elongation. Caner ees of 
Victorian Railways-— | | 
Ist specification ... | 44,800 | -16 per cent. = 
Victorian Railways— 
2nd specification ...| 44,800 7 rs = 
N.S.W. Railways— | 
Penrith Bridge .| 56,000 | 10 5 —_— 
N.S.W. Railways— 
Recent specification, 
tee and angle ... | 50,000 | 9 to 123,, 15 per cent. 
Plate ... aa 4, |) 45,000) | 9 todl2a.5 me lORies 
South Australian Railways— 
Earlier specification, 
general purpose iron | 49,280 — as 
Plates we .. | 47,040 8:3 3 == 
Angleirons ... zn OL 280) 8°3 on = 
Rivets and bolts soa || Se erAale) 16°7 99 eas 
Recent specification, 
general purpose iron 49,280 — — 
Plates along grain... | 47,040 — 10 per cent. 
Plates across grain ... | 40,320 — Bee 6g 
Angle channel, tee | | 
girder & flats over6in. | 49,280 | = 15 ee 
Round, square & flats | 
under 6in. ... sso |) BSHAOO — 205 ae 
For American tests, see body of paper. 
3.—NOTES ON THE SUBJECT OF TOWN DRAINAGE. 
By Witiiam Parker, Assoc, M.Inst.C.E. 
[ Adstract. | 
Tuer author points out that, while in the near future a proper 
system for the conveyance and purification of sewage will be 
adopted by all towns of any size in the colony, yet a considerable 
time must elapse before this is done. In the meantime, a great 
