1897 Supplement Catalogue Ready!

The publishers of the Scientific American announce that an entirely new 48 page Supplement Catalogue is now ready for distribution, and will be sent free to all on application.

MUNN & CO., Publishers,
361 Broadway, New York City.


BUILDING EDITION

OF THE

SCIENTIFIC AMERICAN.

Those who contemplate building should not fail to subscribe.

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Semi-annual bound volumes $2.60 each, yearly bound volumes $3.50 each, prepaid by mail.