18 
BELDT’S AQUARIUM, St. Louis, Mo. 
No. 1 Heater 
Price $6.00 
No. 2 Heater 
Price $4.75 
No. 4 Thermostat 
Price $1.75 
No. 5 Heater 
Price $1.50 
Guaranteed Electric 
No. 1 Automatic with pilot light indicator has 
a double socket and two heaters can be used thermo¬ 
statically for two different aquariums if desired. Also 
two heaters can be used in one aquarium, that is if the 
aquarium has a capacity of 50 gallons or more, two 
heaters would be necessary to heat it efficiently if the 
very large aquariums are kept in cold rooms. Each 
heater will heat aquariums from 10 to 45 gallon 
capacity. This emersion heater is constructed with a 
special chromalox element. The element is guaran¬ 
teed for one year. No. 1 outfit furnished complete 
with one heater as illustrated price $6.00. Additional 
heaters each $2.75. 
No. 2 Automatic for tanks from 5 to 30 gallon. 
Price each $4.75. 
Aquarium Heaters 
No. 4 This is only a thermostat. Can be used for 
any heater you now have. Price each $1.75. 
No. 5 These heaters come in single watt for 
following size Aquarium. Don’t forget to state 
gallon capacity of your aquarium or wattage 
desired. We can supply them as follows: for 2 to 4 
gal. tanks 10 watt, 4 to 5 gal. tanks 20 watt, 6 to 
9 gal. tanks 30 watt, 9 to 15 gal. tanks 40 watt, 
16 to 25 gal. tanks 60 watt, 25 to 35 gal. tanks 80 
watt. Any of these priced $1.50. 
The heating elements in No. 2 and No. 5 heaters 
can be replaced when burned out. Price of addi¬ 
tional elements each 50c. Installation of elements 
very simple. Element in No. 1 heater guaranteed 
for one year. 
Ozark Coral 
Ozark Coral is of volcanic origin and composed 
mostly of molten sand and tiff, the hollow spaces are 
filled with ocre, it is the removal of this ocre that 
gives the rock its natural and beautiful forms. True 
lovers of nature hesitate to use castles on account 
of being too artificial. Ozark Coral gives the desired 
natural effect in ornamentation. 
4 in long, 3 in. high, each_$0.35 
6 in. long, 4 in. high, each_ 0.50 
7 in. long, 4 Vz in. high, each_ 0.75 
9 in. long, 7 in. high, each_ 1.00 
Extra fancy and beautiful formations, up to, ea. 3.00 
Ozark Coral is heavy and prices quoted are 
F. O. B. St. Louis. Special sizes furnished on re¬ 
quest. All sizes quoted are subject to slight varia¬ 
tions. 
