V 



"ORCHARD BRAND" 

 SPRAY MATERIALS 



Will be furnished free of charge, in small quantities, to ento- 

 mologists and pathologists for experimental purposes. We want 

 our materials tested and retested in order that we may correct 

 any defects that may be detected. ''Orchard Brand" Spray 

 Materials represent the highest standard of quality and efficiency 

 and it is our purpose to maintain this standard at any cost. 



Our Research Department is composed of experts in entomol- 

 ogy, pathology, and chemistry, and it is their 

 business to analyze, test, and direct 

 the use of all spray materials 

 manufactured by the 

 Company. ' t| 



We are not ^ i 



only equipped to furnish 

 the growers with good, reliable 

 materials, but also with correct information as to 

 their uses in the treatment of insects and diseases. The follow- 

 ing is a partial list of our products: 



Lime-Sulphur Solution 

 Soluble Oil 



Arsenate of Lead— Standard 

 Arsenate of Lead— Tri-plumbic 

 Arsenate of Lead— Powder 

 Arsenite of Zinc— Paste 

 Arsenite of Zinc— Powder 



Atomic Sulphur 

 Bordeaux Mixture — Paste 

 Bordeaux Mixture— Powder 

 Bordeaux- Arsenate of Lead mixture 

 Bordeaux- Arsenite of Zinc mixture 

 Blue Stone 

 Sulphur 



G. P. Chemicals 



THOMSEN CHEMICAL COMPANY 

 BALTIMORE, MD. 



Syracuse, N. Y. 



BRANCHES: 

 St. Louis, Mo. 

 San Francisco, Cal. 



Fort Valley, Ga. 



Flease mention the Journal of Economic Entomology when writing to advertisers. 



