650 PAGES. PRICE $5.

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This splendid work contains a careful compilation of the most useful

Receipts and Replies given in the Notes and Queries of correspondents

as published in the SCIENTIFIC AMERICAN during nearly half a century

past; together with many valuable and important additions.

OVER TWELVE THOUSAND selected receipts are here collected; Nearly

every branch of the useful arts being represented. It is by far the

most comprehensive volume of the kind ever placed before the public.

The work may be regarded as the product of the studies and practical

experience of the ablest chemists and workers in all parts of the

world; the information given being of the highest value, arranged and

condensed in concise form, convenient for ready use.

Almost every inquiry that can be thought of, relating to formulæ used

in the various manufacturing industries, will here be found answered.

Instructions for working many different processes in the arts are

given. How to make and prepare many different articles and goods are

set forth.

Those who are engaged in any branch of industry probably will find in

this book much that is of practical value in their respective

callings.

Those who are in search of independent business or employment,

relating to the manufacture and sale of useful articles, will find in

it hundreds of most excellent suggestions.

Scientific American Supplement, No. 832, December 12, 1891 · 第 69 / 75 题