64 PERFEGRO BRAND | -:- 
Insecticides— (Continued ) 
ROCKY MOUNTAIN HI-ALTITUDE APHIS DUST— 
A combination of Free Nicotine, and B-71 for the 
control of aphis on Cabbage, Peas, Cauliflower and 
Broccoli. 
(50 lb. drums $8.00) (100 Ibs. $15.50), f.0.b. Denver. 
ROCKY MOUNTAIN HI-ALTITUDE APHIS DUST 
WITH SULPHUR—A combination of Free Nicotine 
B-71, and Sulphur for aphis control. 
(50 Ib. drums $8.50) (100 Ib. drums $16.00), f.0.b. 
Denver. 
ROCKY MOUNTAIN BCA DUST—Contains Arsenic, 
copper and sulphur. An insecticide and fungi- 
cide for use on Potatoes, Tonfatoes and Beans for 
the control of insects and blight. (25-Ib. bags 
$4.00) (100 Ibs. $14.00). Not postpaid. 
KOPPER KING DUST No. 10—Recommended for the 
control of early and late fall blight or rust of 
celery. Must plants at first sign of blight and 
dust at intervals of every ten days in order to 
keep plants thoroughly covered. Copper has a 
stimulating effect on the growth of plants result- 
ing in increased yields and higher quality produce. 
Price: (100 Ibs. $9.00). Not postpaid. 
ROCKY MOUNTAIN POTATO DUST No. 20-C—A 
.combination of Cryolite, Yellow Cuprocide, and 
sulphur. If applied as the insects and diseases 
first appear and repeated as needed will satisfac- 
torily prevent or control such pests as flea beetles, 
Colorado potato beetle, and psyllids; and such 
diseases as early and late blight. 
Price: ($12.00 per 100 Ibs.). Not postpaid. 
ROCKY MOUNTAIN R-60 DUST—A combination of 
Lethane, Rotenone and Sulphur. Recomnfended 
for the control of many sucking and chewing 
types of truck crop insects such as pea aphids 
(and other plant lice), cabbage loopers, leaf hop- 
pers, pea weevils, and Mexican bean beetles. 
qd2 oz. Pump Gun PkKge. 40c) (5 Ibs. 85c) (25 Ibs. 
$3.25) (50 lbs. $6.00), f.o.b. Denver. 
Wettable Sulphur 
“MAGNETIC SPRAY” Wettable Sulphur — 98.5% 
pure. A specially processed sulphur possessing 
superior adhesive properties, and containing not 
more than 124%% wetting agents. Easily dispersed 
in spray tank. Use for spraying fruit trees, ber- 
ries, flowers and ornamentals. 
(100 Ibs. $7.00), f.0.b. Denver. 
“CROWN BRAND” Wettable Sulphur—95% pure. A 
processed sulphur of high adhesive properties as- 
suring adherence to foliage. It wets quickly and 
easily even in hard water, remaining in suspension 
for an unusually long time. Recommended for use 
on potatoes as a wet spray. Also excellent to build 
up weak Lime Sulphur sprays; use 4 lbs. to replace 
each gallon of 32 degree Baume Lime Sulphur 
solution left out. 
(100 Ibs. $6.00). 
Soil Sulphur 
“TRIANGLE BRAND” Commercial Flour Sulphur— 
Not recommended for dusting, but used ag a soil 
corrective on alkali soils and sealing seed pota- 
toes, also used for stock feeding 
(100 Ibs. $3.00). 

HIGH QUALITY SEEDS 
Dusting Sulphurs 
“ELECTRIC BRAND” Super Adhesive Dusting Sul- 
phur—325 mesh, 99.8% pure. A processed distilled 
sulphur possessing superior adhesive properties, 
non-lumping and of finest texture. Makes excel- 
lent combination dust with stomach poisons and 
contact insecticides. 
(100 Ibs. $4.00, f.0.b. Denver. 
“SWAN BRAND” Superfine Ventilated Dusting Sul- 
phur—325 mesh, 97.5% pure. A very high grade 
Superfine ventilated dusting sulphur containing 
4%% filler non-lumping, free-flowing and dusty. 
(100 Ibs. $3.75), f.0.b. Denver. 
MACK’S ANTI-WEED GUN 
A MACK’S LIQUID & 
CHEMICAL IN- 
JECTOR TO APPLY 
DOWFUME G 
These injectors are 
very accurate and 
rugged in construction 
and materials used 
are such that they 
will withstand the re- 
action of all chemicals 
used for soil fumiga- 
tion, insecticides. or 
weed control. When 
properly cared for 
these injectors will 
give the owner many, 
many years of satis- 
factory use. 
INJECTOR NO. 45AF 
-.. is designed to de- 
liver quantities of 
chemical ranging 
from 2 cc to 30 ce per 
single stroke of the 
plunger. This injector 
measures 42 inches in 
height and was de- 
signed for ground lev- 
el treatment. 
Price: $22.50, 
f.o.b. Denver 
DOWFUME G—A soil fumigant containing Methyl 
Bromide, a highly effective penetrating chemical. 
It is especially toxic to Ellworms, soil insects, mil- 
lipedes, centipedes, pill bugs, etc. Seeds may be 
planted two days after treatment. Apply with a 
Mack’s Anti-weed Gun. Price: Dowfume G — (10- 
gal. drums, 110 Ibs., net, $27.50), f.0.b., Denver. 
LARVACIDE—For the fumigation of soil for con- 
trolling most harmful soil organisms and weed 
seeds. Treatment can be made in flats, hot bed 
frames, or in open field. Use Mack’s Anti-weed 
Gun for application. (1-Ib. cans, each $1.65), f.0.b. 
Denver. 
