Optical projection: a treatise on the use of the lantern in exhibition and scientific demonstration (1906)

Page scan 00010 from Optical projection: a treatise on the use of the lantern in exhibition and scientific demonstration

Record Details:

Title:
Optical projection: a treatise on the use of the lantern in exhibition and scientific demonstration
Date:
1906
Author:
Wright, Lewis, 1838-1905
Publisher:
London, New York, Bombay : Longmans, Green and Co.
Volume:
Optical projection: a treatise on the use of the lantern in exhibition and scientific demonstration
Leaf #:
00010
Language:
English
Collection:
Books
Format:
Books
Contributor:
University of California Libraries
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
Date Added:
July 19, 2022
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PREFACE v much kindness and assiduous care in my own personal requirements of this kind. Such apparatus, to express it briefly, is described here not as their apparatus, but as being in greater or less degree my apparatus, by contrivance, or selection, or modification, or personal connection with it in some way or other, even when not (as frequently the case) planned in the first instance for my own use. , But while it is best to state this quite simply, it will I trust be found that, beyond what thus became unavoidable as forming part of that very experience which is the basis of the whole, the subject has been treated so as to be of most use to all, and without any prejudice to other optical workshops of well-known character with which I do not happen to have been brought into the same personal contact. Except a very few articles or details which may be patented in various quarters, and which are well known to the trade and readily obtainable from the various manufacturers, the apparatus and arrangements here described are free to all. It is perfectly open to any reader to have them constructed by whom he chooses, with any improvements he can suggest; while it is equally open to any optician to construct them as excellently, and sell them as cheaply—or the other way if he prefers—as he possibly can. I need only add to this explanation, that in the following pages the first person singular has been pur- posely adopted, as more simple and less really egotistic in a book of such necessarily strong individuality, than any