vi AMERICAN HOMES AND GARDENS 
February, 1911 
[NCLUDING $250.00 
First Prize for a 
letter of not more than 
two hundred words, 
Thousand 
will be paid for the 
D 0 ll ars best explanations of 
“The Reasons Why” 
One —— 
1876 
1911 
YY 
> eer Eg” 
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I> For full particulars see page 173 of 
Burpee’s Annual for 1911 
mailed free to all who garden either for pleasure or profit. A 
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W. ATLEE BURPEE & CO. 
Burpee Buildings, Philadelphia 
If so, kindly name 
individual Libraries 
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voluiiec 
My library contains 
(Continued from page iv) 
eggs remaining in warmer spots than 
others. 
Increasing ventilation is required as in- 
cubation progresses. Practically no air is 
needed the first two weeks, and all ventil- 
ating tubes and the door to the lower com- 
partment may be kept closed with consid- 
erable economy in power. During the third 
week, and especially when the hatch is due, 
plenty of air must be allowed to filter up 
through the eggs, as shown by the arrows 
in! Bigs el 
No moisture is required during the first 
week. Thereafter it is best to keep a small 
pan of water in the lower compartment 
and a small glassful in the egg chamber. 
These serve to prevent excessive evapora- 
tion of the eggs by too dry air. 
The newly hatched chicks should not be 
taken out or fed until they are 24 hours 
old. After this they may be kept in the 
lower compartment for a time provided all 
four lamps be kept burning. As soon as 
convenient, however, they should be trans- 
ferred to an electric brooder, two forms of 
which will now be described. 
The first and simpler form, suitable for 
use only in a well warmed room, is shown 
in one of the photographs. It consists of a 
small wooden table carrying on its under 
side four lamps, and surrounded by a 
fringe made by slitting a piece of old blan- 
ket. For use on the ground or where the floor 
is not warm, bottom heat must be provided 
as shown in Fig. 1. Forty chicks can be 
accommodated by such a brooder having 
the following dimensions: Top, 14 by 20 
inches, supported by legs 8 inches long. 
Bottom box of wood, 14 by 20 inches out- 
side, 3 inches deep inside. Box-cover of tin 
14 by 20 inches, protected on top by a sheet 
of paper and a sprinkling of sand. Four 
lamps are required in the upper part, one 
near each corner, and two in the bottom 
heater. It will be observed in the diagram 
of connections that the last lamps are 
connected in parallel and not in series, 
which causes them to burn more brightly. 
The power consumption is 33 watts, or 
about twice what is required for hatching. 
No thermostat or thermometer is needed 
for the brooder. It will not get too warm if 
the current is left on all the time. 
Where any form of bottom heater, such 
as that just described. is used it is neces- 
sary to either sink it level with the floor or 
to provide sloping boards by means of 
which the chicks may get up on the raised 
platform. 
The following bill gives a list of all ma- 
terials needed and their present retail 
prices: 
For the Incubator. 
8 230-volt 16-candle-power carbon 
laiapsis toe ieee a eee ee $1.60 
8 porcelain receptacles: 4.225. --- 48 
1 cthermpstatjossee 2 set eee ne) 
il thermometers .-.15 eee eee .10 
2 single-pole snap switches ..... 30 
1 piece 12x18 window glass .... .20 
Lumber eters. 02% eee eee 15 
Ota tes 3k- Scheer $3.58 
For the Brooder. 
6 230-volt 16-candle-power carbon 
LAIST.) oh. Sea ee eee $1.20 
6 porcelain teceptacies, <5 2ae = .36 
L.sheet d4x20) dani Vie a ieee 15 
Lumber, 6ic Se) See eee 05 
Seo tall lyse Ral eae en eee $1.76 
The foregoing bill does not include the 
shaded lamp and fixtures shown on the out- 
side of the incubator in Figs. 1 and 2. An 
ordinary 4-candle-power lamp so mounted 
is a convenience, but not essential. 
= 
BRISTOL’S 
Recording Thermometers 
For recording outdoor atmospheric tempera- 
tures. 
Recording Instrument installed indoors. 
Sensitive bulb in weather protecting lattice 
bcx located outdoors. 
Write for Bulletin No. 124 giving full in- 
formation, 
THE BRISTOL COMPANY 
Waterbury, Conn. 
@ A very interesting pamphlet just issued by us on the Pergola, can 
be had free on request. Ask for Catalogue A-27. 
Hartmann-Sanders Co. 
Elston and Webster Avenues - CHICAGO, ILLINOIS 
Eastern Office: 1123 Broadway, NEW YORK CITY 
<9, 
Exclusive Manufacturers of 
Koll’s Patent 
Lock Joint 
Columns 
q Suitable for Pergolas, 
Porches or Interior Use. 
SAVE ‘Lhey aretoo precious to loce. Get expert tree sur- 
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YOU need. Avoid tree fakers and tree butchers. Our free 
booklets explain tree surgery, the science founded by 
TREES John Davey. Write for them. THE DAVEY TREE 
EXPERT CO., Inc., 122 Ash St., Kent, Ohio. 
SEWAGE DISPOSAL 
Without Sewers 
FOR COUNTRY HOMES 
Illustrated Booklet Free 
Address 
Ashley House Sewage Disposal Co. 
115 Armida Ave., Morgan Park, Ill. 
@ld English Garden Seata Soe 
catalogue 
NORTH SHORE FERNERIES CO., Beverly, Mass. 
