185 
eee ete , EPs 
ticulars being given of the various processes adopted with green 
and seasoned wood, temperatures, pressure, descriptions of retorts 
and appliances with numerous illustrations of plant and capacity 
tables 
The principal processes with dead oil of tar, commonly called 
creosote, or with dead oil of tar as a base, are described in 
chapter vii. These are:—The Dead Oil of Tar, Bethel, or 
Creosoting Process. The Rueping Process. The Lowry Process. 
The Curtis-Isaacs Process. Processes wherein creosote is used in 
conjunction with some other agent are:—The Zinc-creosote, 
Rutger or Card Process. The Allardyce Process. The Creo- 
resinate Process. 
Chapter viii. deals with preservation by means of various salts 
and other substances, the preservative agents and processes being 
in 
”? 
The Zinc-tannin or Wellhouse Process. The Boucherie Process. 
The Hasselmann Process. The Vulcanizing or Haskinizing Pro- 
cess. The Saccharine Solution or ‘‘ Powellizing ’’ Process. he 
Guissani Process. e Cresol-calcium Process. The <Aczol 
Process. The Naphthalene Process. The use of Natural Oils as 
Preservative Agents. : : 
is is followed by a chapter on various proprietary and other 
preservative solutions, the subjects described being :—Anthrol, 
Atlas, Bellit, Carbolineum, Dyphenin, Green Oil, Hylinit, Jode- 
lite, Microlineum, Microsol, Sideroleum, Solignum, Sotor, Stop- 
rot, Wileoo, &e. 
fs d Wood-block Paving,”’ : itchell 
M Se Bulletin 49, Forestry Branch, Department of the 
Interior, Canad 1-40, illustrated. In this bulletin the 
i i 2 . 1-5, Forest 
é alt Treated Wood,’’ by E. Bateman, pp ; 
Seis gene 190, U.S. Department of Agriculture. = 
order to show the depth of penetration by an ee ee salt suc 
as zine chloride, solutions of potassium ferrocyanide and uranium 
