T HE application of Vitamin Bi Solution 
for plant growth has heen scientifically 
developed at the California Institute of Tech¬ 
nology, Department of Plant Physiology, in 
Pasadena. Zoom is Vitamin Bi, in liquid 
form—the identical product. 
Hundreds of amazing experiments with 
Vitamin Bi are scientifically documented in 
the laboratory records of the California Insti¬ 
tute of Technology. Delighted growers, all 
over the country, are packing the mails with 
breath-taking accounts of what Zoom did for 
them in their own exciting experiments. 
