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

Page scan 00030 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 #:
00030
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.

WHEN DEVELOPMENT SHOULD BE STOPPED. 17 When to stop IT is difficult to describe the moment Development. when development should be stopped, particularly with pyro, as the appearance of the image is deceptive. A safe rule, perhaps, is to re- move the slide when it appears to be slightly over- developed,, and just as it commences to veil. A slight veiling is necessary because the apparent density is greater than the real density, the image appearing considerably thinner after fixation. Just how much allowance should be made for this tendency can only be learnt by practice, but the beauty of the finished slide will to a large extent depend upon its correct estimation. IN the hope that it may assist the The Importance nov i ce i n recognising the charac- of Correct ... , , Ex osure teristic appearance of an under, over, and correctly exposed slide, three re- productions are here given. (Figs. 2, 3, and 4). Although success is by no means difficult of attainment, good technique can only be acquired by constant practice and a careful observation of the result produced under certain known conditions, and it was for this reason that we advised the keeping of an exposure note-book.