162 



CORRESPONDENCE. 



Table of Stresses for Dead Loads — Continued. 



Bar. 



Stresses obtained by triangle of forces. 



Stresses given 

 in paper. 



Stresses. 



* 



Total. 



K 



Ft 

 F 3 

 Ve 



F 3 

 F 5 

 F 4 



Y 2 

 Y 7 

 Y s 



TfLX 



Y* 



Y 10 

 Y, 



r 9 



Y 6 

 Y s 



i 140 



| 14 + 7 + 18-7 



J14 + 8-5+11 

 14 + 15-2 + 15-2 



| 15-0 



] 7-8 + 4-0 

 | 9-8 + 10 

 | 8-2 + 5-5 

 | 8-1 + 16-3 



14-0 



39-7 



33-5 

 44-4 



15-0 

 11-8 

 19-8 

 13-7 

 24-4 



14-0 



39-77 



33-49 

 44-33 



15-12 

 11-77 

 19-74 

 13-62 

 24-38 



Professor Warren — In reply to the correspondence I agree 

 -with the remark made by Mr. Vicars and Mr. Macdonald, and 

 consider that the stresses given in the paper are those for which 



the bridge should be designed to resist 



WEDNESDAY, AUGUST 6, 1890. 



Dr. Leibius, m.a., f.c.s., President, in the Chair. 

 Thirty members were present. 



The minutes of last meeting were read and confirmed. 

 The certificates of seven candidates were read for the third time, 

 and of five for the first time. 



The following gentlemen were duly elected ordinary members 

 of the Society : — 



Dare, Henry Harvey, b.c.e., Waverley. 



Eddy, E. M. G., Assoc inst., c.E., Double Bay. 



Freehill, Francis B., m.a., Sydney. 



Henry, Arthur Geddes, m.b., Callan Park Asylum. 



Pockley, Francis Antill, m.b., St. Leonards. 



Rutledge, David Dunlop, m.a., m.b., Ch.M., Sydney. 



Sloane, Thomas G., Sydney. 



