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FOUNDATION AND APPLICATION OF THE PHYSIOLOGICAL

PRINCIPLES OF MR. KIRWAN, SIR HUMPHRY DAVY,
MRS. IBBETSON, AND MESSRS. HITT, FORSYTH, AND KNIGHT.

SECOND EDITION.

TO WHICH ARE ADDED,
AN ESSAY ON THE CULTIVATION OF THE PINE-APPLE,

DESCRIBING AND EXEMPLIFYING BY SKETCHES,
An Improved Arrangement for furnishing every necessary Degree of
Heat by Steam, and of applying it to every required Purpose :

THE RESULTS OF A COURSE OF
EXPERIMENTS IN GROWING PEACHES AND NECTARINES,

IN POTS, IN A CONSERVATORY;
With an Explanation of a new Mode of training Trees for this purpose,
exemplified by Sketches : and a Description of a liquid Manure
adapted to all Plants, and the Manner of applying it.

AND
AN ESSAY ON THE NATURE AND PROPERTIES OF HEAT,
DIFFUSED BY THE INTRODUCTION OF A CURRENT OF WARM AIR,

HEATED BY STEAM.

BY JOSEPH HAYWARD

OF THE

UNIVERSITY
CALIFORNIA

LONDON:

PRINTED FOR
LONGMAN, HURST, REES, ORME, BROWN, AND GREEN,

PATERNOSTER-ROW,

Н H4

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