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Compliments of She Listis E. Kiley Co.

Dwight, Minois.

WORKING FORMULÆ

A HAND-BOOK OF THE OLD AND THE

NEW PHARMACOPEIAS,

CONTAINING

WEIGHT AND MEASURE STANDARDS, WORKING
PROCESSES, WORKING FORMULÆ, THE ME-
DICINAL PROPERTIES AND DOSES OF

DRUGS AND THEIR PREPARATIONS

AND BEING

A COMPARISON OF THE 1870 WITH THE 1880 PHARMACOPEIA

WITH REMARKS, SUGGESTIONS, ORIGINAL PROCESSES AND
FORMULÆ, AND OTHER MATTER OF INTEREST AND

VALUE TO DRUGGISTS AND PHYSICIANS.

COMPILED AND WRITTEN BY B. FENNER.

WESTFIELD, N. Y.
B. FENNER, PUBLISHER AND PROPRIETOR.

1884.

P536
F34

“The discovery and publication of a new truth, great or small, is the best means whereby to aid in advancing the calling in which we may be engaged, benefit our fellow-creatures and ourselves, and unveil the laws of the Creator of all things.”_ Prof. Attfield.

COPYRIGHT, 1884,

BY
B. FENNER.

g Claude alake

06-4-46

PREFACE.

Druggists who would make, and physicians who would prescribe the officinal preparations intelligently, find it necessary to compare the formulæ of the new, with those of the old authority. So many changes have been made in the composition, proportions, and manner of making preparations in the new Pharmacopoeia, that unless the formulæ of the new and the old standards are compared with each other, their differences cannot be well understood, and much confusion and misunderstanding must result.

The evolution from the old to the new order of things must, necessarily, be very gradual, but it is none the less certain, for, as new text-books are issued, they will confirm to the new authority; yet it will be, perhaps, ten years before it can be said that the old Pharmacopæia has gone out of use and the new one has entirely taken its place; and during all . this time constant comparison of the two will be necessary.

Many physicians and druggists will, no doubt, adopt the new authority, while others will prefer to stick to the old and tried standard with which they are already familiar, but, in either case, in order to judge them fairly the formulæ must be compared, as stated.

The object of this volume is to thus compare the former with the present officinal formulæ in such definite, similar weight and measure and relative quantities that their differences may be seen at a glance; also to make such explanations, suggestions, and remarks on the preparations, and to introduce such other methods, formulæ, etc., as a life-long experience

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