SCIENCE OFFERS HELP—USE IT! 
Control Flies Effectively with— 
LETHALAIRE D-200 
An aerosol insecticide containing Pyrethins and 
Piperonyl Butoxide 
D-200 is a high potency Aerosol that kills D.D.T.—resistant flies, cock- 
roaches, moths and certain other insects. D-200 has double the active in- 
gredient content supplied in the ordinary aerosol; it has faster knock-down 
and more complete killing power in smaller dosages. D-200 is non-injurious 
to warm-blooded animals when used as directed. 
An all-purpose formulation, quick acting and self-propelled. Leaves no messy residue, 
taste or odor. Easy to apply, economical and effective. No more costly waste of material— 
no more half-way results. 
Designed especially for the dairy industry. Also recommended for poultry-dressing 
and meat-packing plants. Treat 1000 cubic feet in 3 to 5 seconds. 
Effectively kills flies, gnats, mosquitoes on animals when used as a space treatment. 
D-200 Complete with applicator......................... $19 75 
Exchange Refill eee so i Be oe ee ee 14 50 
LETHALAIRE S-200 
A self-propelled residual spray containing Lindane. For poultry houses. Apply to roosts 
and nests, making sure to reach all cracks and crevices. Such applications will aid in con- 
trolling poultry mites. 
S-200 Complete with applicator.......................... $17 75 
Exchange refill oo ven Cnet te Ss il ae tea tee 12 50 
Express prepaid All prices are subject to change 
NA-CHURS LIQUID FERTILIZER 
Na-Churs Liquid Fertilizer 1s a complete balanced fertilizer concentrate containing nitrogen, phosphorus 
and potash, plus trace elements including Vitamin B-1. 
Na-Churs has been used successfully by tomato and tobacco growers, truckers, florists and small gar- 
deners. 
For transplanting use 1 quart of Na- 
Churs to 50 gallons of water. For side 
dressing, use 1 pint of Na-Churs to 
Enjoy these Advantages 
No Sediment—No Clogging—No Corrosion 
Easy to Apply—Economical—No Waste Gallon cans or more will be shipped express or 
freight collect. 
@ Extra Profits with less Labor cw 20 gallons of water. Apply several times 
@ Water and Fertilize in One Operation Na- Cues during growing season. 
@ Fast-acting Starter and Booster i: VND te eine iniecs an tans $0.75, postpaid 
@ Completely Liquid—Available Immediately ys oe Pte ee Oy hae Ss TelD; postpaid 
@ Helps Produce Early Maturity—Bigger Yields “tearm ee Bick te ee ae re Peale -d 
eh: . lv Applied rena Ei? CLs, piatanaelneh sf io Lovey cd Aeernes cies . » LO prepal 
. pale pyle During hen Property SDpHe Bical s A dice ace aeet 14.75, not prepaid 
3° 
MICHIGAN PEAT 
Nature’s Finest Soil Builder 
For lawns, roses, shrubs, evergreens, golf courses, 100 pounds of Michigan Peat is sufficient for any 
and trees. Used by nurserymen, growers, and flor- | of the following: 
ists. Retains moisture, binds sandy soil, loosens | 4 qq sq. ft. top dressing established lawns. 
clay soils, puts new life in soil. ie 500 sq. ft. new lawns. 
LOO CTE Soa oN ease yale en ct Reem Eon $4 25 700 lin. ft. vegetable or flower seed rows. 
DOD. Dag cde acc w in sn eee ele ey 2FA9 300 hills of pole beans, corn, etc. 
SEACH aM Slt ce enh ree ee an Seema 1 69 200 berry plants. 
aoa ome oath bs. ot ice co tg one WA wie. bo 89 25 rose bushes or flowering shrubs. 
Express or freight collect. 12 Azaleas, Rhododendrons, Evergreens. 
P. L. Rohrer & Bro., Inc., Seedsmen 39 Smoketown, Lancaster Co., Penna. 
mainte 
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