A Practical Manual of the Collodion Process, Giving in Detail a Method For Producing Positive and Negative Pictures on Glass and Paper.

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By S. D. HUMPHREY.

PREFACE TO THE THIRD EDITION.

PREFACE TO THE FIRST EDITION.

CONTENTS.

PART I CHAPTER I.

CHAPTER II.

CHEMISTRY.

CHAPTER III.

CHAPTER IV.

CHAPTER V.

CHAPTER VI.

FACTS WORTH MENTIONING.

CORRESPONDENCE BETWEEN THE U. S. COMMISSIONER OF PATENTS AND

CHAPTER IX.

Comparison of British and French Weights and Measures.

INDEX.

HUMPHREY'S JOURNAL
OF THE
DAGUERREOTYPE AND PHOTOGRAPHIC ARTS.
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The above-named Publication is well known as the best and most valuable one devoted to the Photographic Science in this country. Humphrey's Journal made its first appearance Nov. 1st, 1850, and consequently is the first and oldest serial offered to the Photographic world.

The art of producing Portraits and Landscapes by means of Light has recently taken a new and enlivening impulse, which will in all probability lead to important and interesting results. No practical Daguerreotypist, Photographer, or amateur should be without the means at hand for securing all of the information upon this subject. Each should be ready to receive and apply the improvements as they may be developed. In order to accomplish this, it is a matter of great importance to the Practitioner or Experimenter that he should have a reliable medium through which he can obtain information. In what source can the inquirer better place his confidence than in a regular Journal, whose editor is literally a practical person, and familiar with the manipulations necessary for producing Portraits upon "Daguerreotype Plates," and upon glass and paper? Such is the conductor of Humphrey's Journal.

This Journal is published once every two weeks, and contains all the improvements relating to the Art, and is the only American Journal whose editor is practically acquainted with the process for producing Daguerreotypes. Ambrotypes, and Photographs The first No. of Vol. VIII is dated May 1st, 1856. The terms (Two Dollars per annum) are trifling compared with the vast amount of information furnished.

There are several societies recently established in Europe composed of learned and scientific men, who are in every way engaged in investigating the Science, and we may look for improvement from that quarter, as well as from our numerous resources at home. In the former case our facilities for early and reliable information cannot well be surpassed.

Ambrotypes.Humphrey's Journal contains everything novel which appears upon this subject, and has already presented more new, important; and original matter than can be found in any other place.

Many are the letters we have received during the term of the last volume, in which the writer has stated that a single number of Humphrey's Journal has contained information of more value to him than "several times the amount paid for the entire volume."

Our resources have grown up around us, and our facilities for procuring, as well as distributing, all such facts and improvements as will benefit as well as instruct all who have the progress of the Art at heart, are as ample as they can well be made.

The future volumes will be abundantly furnished with original writings from persons of standing in the scientific world; and the practical Photographer will here find a full account of such improvements as may from time to time develope themselves.

From the Editor's long practical experience in the Heliographic Science, he will be enabled to present the subject in a plain, clear and concise manner.

Read what the Editors say of Humphrey's Journal:—

"We have received a copy of a valuable Journal (Humphrey's) published in New York, which has reached the 18th number of Vol. VI. ... We now have the pleasure of quoting from our transatlantic coadjutor."—Liverpool Photographic Jour.

"Humphrey's Journal is practical as Well as scientific in character."—American Journal of Science and Arts.

"It treats the subject knowingly, and with force."—New York Tribune.

"It is both a popular and interesting publication."—Mechanics' Magazine.

"It is highly useful to all who practice 'shadow catching.'"—Ohio State Journal.

"The work is neatly gotten up, and contains many interesting varieties in this new field of science."—Times.

"It should be hailed and encouraged, not only by Daguerreotypists themselves, but by every lover of Science and Art."—The Democrat.

"We cannot too strongly urge all artists, and those persons who feel an interest in the Heliographic Arts and Sciences, to take a copy of the work."—Sentinel.

"It is indicative of talent worthy of the important Art it is designed to elevate."—American.

"This Art is entitled to its own organ, which could not have fallen into better hands than those of the editor of Humphrey's Journal."—Transcript.

"It is a scientific work of interest and usefulness."—Star of the North.

"This Journal answers many points heretofore regarded as inexplicable."—Hudson River Chronicle.

"It is rich with interest."—North American.

"It contains all the 'Improvements.'"—Delta.

"It teaches us how to take our own portraits."—Bee.

"It will cultivate a taste for Daguerreotypes."—Commercial Advertiser.

"It should be in the hands of all."—Reveille.

"It is the Daguerreotypist's friend."—London News.

"It should be found in every library."—Evening Journal.

From some of our old subscribers.

"Humphrey's Journal has been the means of saving much time and money, for by its instruction I have been enabled to produce some of the finest Paper Pictures I have ever seen." W. P.

"Don't fail to send me the Journal, for I would not be without it for five times the amount of subscription. It is the only publication I can depend upon." A. G. R.

"Your treatment of the humbugs and humbugging members of the profession, is of the most valuable importance to us practical Daguerreians. Go on. God speed! Here is the amount for the renewal of my subscription." E. F. S.

"How can any Operator afford to be without it?" L. L. H.

"Here is five dollars: send me Humphrey's Journal to this amount. I will not be without it." M. S.

"It is my best friend." J. E. W.

We might quote like commendatory extracts enough to more than ten times fill this page.

Humphrey's Journal contains 16 octavo pages of reading matter.

TERMS.

One copy per annum, in advance $2 00
Three copies, do. do. 5 00
Six copies, do. do. 9 00

The thousands who read it cannot be induced to remain without it. All who desire to keep up with the improvements should subscribe for a copy.

Subscription price Two Dollars per year.

Don't fail to become a subscriber. Address

S. D, HUMPHREY,      
NEW YORK.

[Office, 37 Lispenard Street]

 

 

 

A
PRACTICAL MANUAL
OF THE
COLLODION PROCESS,
GIVING IN DETAIL A METHOD FOR PRODUCING
POSITIVE AND NEGATIVE

Pictures on Glass and Paper.


AMBROTYPES.


PRINTING PROCESS.

ALSO,

PATENTS FOR THE COLLODION PROCESSES;

MELAINOTYPES—PHOTOGRAPHS IN OIL—ALBUMENIZED COLLODION—CUTTING'S PATENTS AND CORRESPONDENCE.—SPECIFICATION'S OF ALL THE FOREGOING, GIVING EACH PROCESS ENTIRE.


THIRD EDITION, REVISED AND GREATLY ENLARGED.

                                                                                                                                                                                                                                                                                                           

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