Browsing NSIS Volume 38 - Part 3/4 by Title
Now showing items 6-7 of 7
-
Table of contents (v. 38, p. 3/4)
(Dalhousie Printing Centre, 1989-12) -
Ventilation of a tunnel beneath Northumberland Strait.
(Dalhousie Printing Centre, 1989-12)After brief comparison of ventilation schemes used in three long European tunnels, several possible methods of ventilating a 13 km submarine vehicular tunnel are examined. Probably the most suitable is one supplying fresh ...