[NUMBER 25. VOLUME X.] heat to two surfaces of the chambers, D, also THE above and below. The cold air, therefore, … though the temperature of the water was be- up for cultivation. It produces a greater The annexed engraving is a perspective cates with one end of the uppermesi wham- low 40° Fah. When arrested by a coarse proportional improvement on poor soils in view of an improvement in hot air furnaces, filter,…
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