27.03.2013 Views

Cork insulation; a complete illustrated textbook on cork insulation ...

Cork insulation; a complete illustrated textbook on cork insulation ...

Cork insulation; a complete illustrated textbook on cork insulation ...

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

CHAPTER XVI.<br />

DEVELOPMENT OF THE CORKBOARD INSULATED<br />

HOUSEHOLD REFRIGERATOR.<br />

15L—Early Forms of Household Coolers.—Probably the<br />

first household "cooler" was a crude box anchored in a nearby<br />

stream, in which in turn several tall earthen jars or pieces<br />

of crockery were placed, the ends of the box provided with<br />

slatted openings to permit the fresh water to pass through,<br />

FIG. 151.—THE FIRST METHOD OF KEEPING FOOD COOL—A BOX IN A<br />

NEARBY STREAM SERVED THE PURPOSE OF THE<br />

MODERN REFRIGERATOR.<br />

and the top of the box covered with a strap-hinged lid. If<br />

a spring of water was available, the box was of course an-<br />

chored just below the overflow and probably in a slight ex-<br />

cavati<strong>on</strong> made to accommodate it. In either case, perishable<br />

foods, such as milk, butter, eggs and meat, were placed within<br />

the jars or crocks, to be cooled and preserved as best as<br />

possible.<br />

The objecti<strong>on</strong> to this simple type of household cooler was<br />

332

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!