All other types of houses
are modifications from the simplest form, and are designed in some
way or other to fit some special requirements. These requirements
may be: the cultural necessities for some particular crop; a desire
to have the atmospheric conditions inside more or less abnormal at
given seasons (as in a forcing house); or an adaptation to some
peculiarity of the situation, as when a greenhouse is built as an
adjunct to other buildings."
"It is plain common sense that the ideal greenhouse is one in which
the light is most nearly that which exists outside, and in which the
heat is as evenly distributed. It is practical experience that a
structure with as few angles and turns m it as possible and with a
minimum of woodwork in its superstructure, best answers these
conditions.... Greenhouse building has developed into a special
industry, and the modern American greenhouse is the highest type of
construction. It is built with as careful calculation to its
situation and its requirements as is the country dwellinghouse.
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