Illustrated Catalogue Of Magic Lanterns (after November 1889, probably 1890)

Record Details:

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.

90 MCINTOSH BATTERY AND OPTICAL CO., CHICAGO, ILL., U. S. A. material between the plate and the back of the frame to secure close contact between the two glasses without risk of breakage. Expose to a gas flame or oil lamp for from ten to twenty seconds, or more £ less, depending on the size of flame and density of the negative and ; he ord,n " y “■—■ — No. 1, Oxalate solution 91/ nnrtnno No. 2, Iron solution ounces. No. 5, Bromide solution M drachm “ SU ‘“ bk 1 »* ?■>” «“ sol “ ion °va, fronl Vlt , h t apr fi 0perly 5 xpos ^ plate ’ the ima S e s hould begin to show in h t \° I lf 1 C0 ? ds >, and be allowe d to continue until what consti- tutes ihe bright light shows full of detail, then wash off the developer after ali n tL 6 ^ Na 3. letting it remain a few minuses after all the unreduced bromide is apparently dissolved j next wash a bTth mi mS’ P t i en H 1 “ m T- fr ° m three t0 five minutes in the alum ^ dC by dissolving two ounces of powdered alum in thirty ounces of water. After another good wash, and while the water is running over the plate, pass a broad camel-hair brush over the surface, after which set it up to dry. The clearing solution, No. 4, is used, when from slight over-ex- posure to the light, or too prolonged development, or from lack of proper density m the negative, the parts of the positive that should show clear glass are slightly tinted. A careful application of it with 3 , camel-hair brush will remove it. Ihe dirr the transparencies can be varied somewhat by varying the length of exposure and strength of developer. A short exposure and a strong developer made of P No. 1, Oxalate solution , __ No. 2, Iron solution oz - will give a rather cold tone; the same 'diluted to 8 ounces" with water gmng a longer exposure, will give a warm, brown tone ; while a mix- ture half new mixed and half old gives a rich tone It is a^fe proceeding, also, to immerse the exposed plate for a minute or so in an old developer, and to add new to that to bring up the image. . OUTFIT No. 1, Price $25.00, consists of ° ne !T PtlC ° n ’ W i th °“ e pair 4 ^' inch condensing lenses, one short hlefrXr objective or magnifying glass; a two-wick lamp with dumne) , reflector, and slide carrier; in a neat packing case. P .OUTFIT No. 2, Price $35.00, is made up of One Argand Sciopticon, with one pair 4 ^-inch condensing lenses, one short Student T r0matlC a° bj u CtlVe 0r ma § nif ying glass, one A No. 1 Argand hinged d^“ anf ha^ SUde “ * neat traVeli ^ case ' Withou^Student Lamp, allowing the purchaser to make use of his own Stu- P OUTFIT No. 3, Price $40.00, consisting of One McIntosh Sciopticon, with 4 ^-inch condensers, Achromatic Stereonti con Objective, Sun-Light Lamp, Slide Carrier and Stop, in neatpackme case, with hinged lid, lock and handle. P neat P ackln g