TH yifeto Mineral Maid 
Successful Soilless Culture for Amateurs 
Sand in top section of jar is kept constantly 
moistened with the plant food solution from 
bottom. The solution is carried up in the 
porous clay wick seen here. 
A surprisingly success^ 
ful adaptation of our com¬ 
mercial gravel culture. 
Grows flowering, foliage, or 
bulbous plants in homes, 
offices, and stores. Uniform 
automatic watering and 
feeding. 
Special 
Introductory 
Offer 
12 Complete Kits 
for $9.00 
12 kits (one in attrac¬ 
tive colored counter dis¬ 
play) 25 four-color cir¬ 
culars. All for $9.00, 
f. o. b. West Chicago. 
To sell for $18.00. 
New Low-Priced Simplified Kit 
Includes 5-inch flower pot, sand, wick, solu¬ 
tion, complete with instructions. Retails for 
$1.50. Cost to you, 75c. 
WRITE for attractive new circular. 
^ | We don’t have an experiment sta- 
1^1 tion. But we are doing our level best 
^ through practical experiments and ex¬ 
periences to help solve your growing problems. 
To keep you posted on our findings, we offer the 
following publications gratis or for cost of printing 
as noted. 
GROWER TALKS 
By 
By Geo. J. Ball and others 
A monthly reminder of sow¬ 
ing and cultural dates. Also 
keeps you posted on what’s new 
in varieties of annuals and cool 
house crops. Other topics-of- 
the-day treated during recent 
months have been gravel cul¬ 
ture, boiler efficiency, cost ac¬ 
counting, flexo-glass ’Mum 
houses, etc. 25 to 30 pages 
monthly, illustrated. 30c per 
year; two years, 50c. 
BALL RED BOOK 
By Geo. J. Ball 
When to sow Snaps? Can 
Stocks be flowered for Christ¬ 
mas? Marigolds? How to put 
up a cloth house? The answer 
to these and hundreds of other 
questions are yours in the Ball 
Red Book. 108 pages, freely 
illustrated. 20c. 
GRAVEL CROPS 
By Vic Ball 
Does gravel culture pay? Is it 
practical for the wholesale 
grower; the retail grower? If 
so, how do you go about it? 
It’s all in “Gravel Crops” com¬ 
plete to testing of solutions, 
formulae, where to get pumps 
and all. 48 pages, freely illus¬ 
trated. Price, 10c. 
SEED SOWING 
By Geo. J. Ball and Geo. Jr. 
Practical pointers on germina¬ 
tion—the biggest single “Wa¬ 
terloo” of greenhouse crops. 
Suggestions on soils, covering, 
etc., together with a most com¬ 
plete table giving number of 
seeds per ounce, time and tem¬ 
perature requirements for germ¬ 
ination and longevity of about 
400 florist’s species. Gratis. 
result of years of experience and 
They are written for you. 
These four services are the 
days of patient effort in preparation, 
the grower. We invite you to use them! 
