Lantern-slide making and exhibiting ([pref. 1905])

Page scan 00022 from Lantern-slide making and exhibiting

Record Details:

Title:
Lantern-slide making and exhibiting
Date:
[pref. 1905]
Publisher:
London, Marshall, Brookes & Chalkley
Volume:
Lantern-slide making and exhibiting
Leaf #:
00022
Language:
English
Collection:
Books
Format:
Books
Contributor:
University of California Libraries
Sponsor:
MSN
Coordinator:
Media History Digital Library
Date Added:
July 19, 2022
Something wrong or inaccurate about this page? Let us Know!

Thanks for helping us continually improve the quality of the Lantern search engine for all of our users! We have millions of scanned pages, so user reports are incredibly helpful for us to identify places where we can improve and update the metadata.

Please describe the issue below, and click "Submit" to send your comments to our team! If you'd prefer, you can also send us an email to mhdl@commarts.wisc.edu with your comments.




We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.

Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.

ON THE CHOICE OF A DEVELOPER. we shall at the reduced distance really have quad- rupled the exposure. THE correct exposure for a given negative once ascertained, a note of all the conditions under which it was made should be at once entered in a copybook ruled off with the following headings, a brief reference to which will at any time subse- quently enable one to secure an identical result: — Aids to Correct Estimation of Exposure. I HAVE incidentally referred to the On the Choice of importa nce of using a su i ta ble de- a Developer* , in i •> veloper, and the number being so large, the novice may easily be bewildered in mak- ing a selection. My advice is not to experiment with a number of different solutions, but to select a good formula and adhere to it. This recommendation, albeit time-honoured, cannot be improved upon, and moreover, to obtain the best result with any formula requires practice, experiment, and experience, con- ditions which should not weigh too heavily on the novice. I WILL now enumerate a few leading developers, and give working for- mulae for their use, merely premising that there are many others which, though they may be as suitable for the purpose in hand, can certainly not be more so. From those given, the reader may make his selection, but having done so, we recom- Various Formulae.