48 
BtJLLOCK ? S PORTABLE PROGRESSIVE POWER PRESS; 
chimney by which the products of that com¬ 
bustion are sent into the air. Ii is in this way 
that the heat of the living body is kept up, 
whatever the coldness of the air. Whenever car¬ 
bon unites with oxygen gas, heat accompanies 
the chemical action, and whether it be the coal 
in our fireplace, or the straw in our dungheaps, 
or the tallow in our candles, or the food in our 
bodies—the union of the oxygen of the air with 
the charcoal they respectively contain, affords 
heat—heat in proportion to the rapidity of the 
process of union and the quantity of carbon in 
the fuel; and so, in order to increase this heat 
and induce the oxygen to combine rapidly with 
the charcoal, we build chimneys to draw the 
air through the furnace, or we turn over our 
proportioned to the quantity of charcoal which 
can be got in a given time to unite with the 
oxygen of the air; and so the cold-country man 
makes a perfect oil lamp of his lungs within 
him, and takes boisterous exercise to keep the 
bellows blowing, in order to preserve his 
warmth; while the hot-country man of placid 
temper and sluggish movement eats sparingly, 
employing less fuel, because he loses less heat. 
•—---- 
BULLOCK’S PORTABLE PROGRESSIVE POWER 
PRESS. 
Fig. 7 is a side view of Bullock’s Portable 
Progressive Power Press. Fig. 8, is an end 
view of the same, with the follower run up 
and pushed one side preparatory to filling the 
box. 
Fig. 7. 
Fig. 8. 
dungheaps to cause the air to mix with them 
more thoroughly, or we run about and take ex¬ 
ercise in order to breathe the faster; and so the 
furnace gets hotter, and the dungheap heats 
more rapidly, and we get warmer; or perhaps 
the heat is increased by using substances which 
contain more charcoal to unite with the oxygen 
gas; and in this way, coke makes a hotter fire 
than wood, and oil or camphine, a brighter light 
than tallow; and for this reason, too, the Es¬ 
quimaux of the arctic regions eats enormous 
quantities of blubber, while the inhabitants of 
the hot countries of India and China live spar¬ 
ingly upon rice. The heat in every case is 
These presses are in use in this city for bal¬ 
ing dry goods, rags, cotton, hay, wool, hemp, 
flax, paper, moss, &c., and they are taking the 
place of other presses throughout the country. 
Manufacturing establishments and warehouses, 
are generally adopting these presses on ac¬ 
count of their great convmience, power , and dura¬ 
bility , and the dispatch with which the work is 
done. _^ 
To Make Boots Water Proof. —Melt 3 oz., 
each of rosin and beeswax, and stir in 1 pint of 
boiled oil and heat ail well together; when 
partly cool, add 3 oz. of oil of turpentine. Apply 
hot with a brush. 
