P r J 0 ^ 0 ^ method is to prepare a concentrate by dissolving 
°“ e ° f the following emulsifiers in the mitioide, using 10 parts 2/ 
of the emulsifier to 90 parts of the mitioide: Stearate 61-C-2280 
k a polya xicylene glyool stearate )j Tween 60 (sorbitan monos tear a te*. 
polyosyalkylene derivative); Tween 80 (sorbitan monooleat®, 
po yozyallcylene derivative); polymerized glyool monostearate. 
monooleat®, or monolauratei Span 60 (sorbitan monostearate) and 
Tween 60, equal parts; Span 80 (sorbitan moaooleate) and Tween 80, 
equal parts. * 
bv addiL^nLr^ 8 ^ 51 ia Whi ! h olothin S i® dipped oan be prepared 
by adding t pint of the concentrate to 1 gallon of water. It is 
best to agitate vigorously 1 part of the concentrate in 2 or 3 parts 
®£ t0 f° m a oroan ^’ emulsion and then dilute with the remainder 
of water, using moderate agitation. One gallon of emulsion is 
*° dl P a set of field trousers, shirts, and socks. After 
dipping, wring out the garments lightly and dry before wearing. 
\ Sources of Materials 
The lollowing list of firms which my supply the materials 
mentioned .bow is given for the information of the reader. It does 
not inolude all Urma, and no discrimination is intended or implied 
as to the grado ° r 
Finished Repellents and Mixtures 
Skol. Co., Ino •, 250 E. 43rd St., New York, N. Y. 
Carbide and Carbon Chemical Corp., 30 E. 42nd St., New York, N. Y. 
Repellents ' 
Dimethyl phthalate 
Practically any large chemical firm. 
Fred L. Brooke Co., 228 N. La Salle St., Chicago, Ill. 
Carbide and Carbon Chemical Corp., 30 E. 42nd St., New York, N. Y. 
Commercial Solvents Corp., 17 E. 42nd St., New York, N. Y. 
* P. Chemical Solvents, Inc®, 60 Park Place, Newark, N« J» 
oe & Ingalls, Inc., 50 Garden St®, Everett Station, Boston, Mass. 
Hercules Powder Co., 978 Market St., Wilmington. Dei. 
Monsanto Chemical Co., 1700 S. 2nd St., St. Louis, Mo. 
Phillips & Jacobs, 620**22 Race St., Philadelphia, Pa® 
Reichhold Chemicals, Inc., 601 Woodward Heights Bivd., Detroit, Mich 
E. I. du Pont de Nemours & C 0 ., Ino., Wilmington 98, Del. 
U. S. Industrial Chemicals, Inc., 60 E. 42nd St., New York, N. Y. 
