Difference between revisions of "File:Job backer.jpg"

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<div class="description mw-content-ltr en" … <div class="description mw-content-ltr en" dir="ltr" lang="en" style=""><span class="language en" title="">English:</span> Identifier: bookbindingitsau03plegTitle: Bookbinding and its auxiliary branchesYear: 1914 (1910s)Authors: Pleger, John JSubjects: BookbindingPublisher: Chicago : The Inland printer companyContributing Library: University of California LibrariesDigitizing Sponsor: MSNView Book Page: Book ViewerAbout This Book: Catalog EntryView All Images: All Images From BookClick here to view book online to see this illustration in context in a browseable online version of this book.Text Appearing Before Image:brought over to the right and left by lightly tapping theback with a hammer from the center to the sides. Do nothit hard on the kettle-stitch nor flat on the back, as thethread may break and dents appear; always tap at aslant to the sides to form the ridge. The ridge thusformed should be at an angle, so that in setting the boardclose to it in the subsequent operation, all parts will beeven. When opening the book, the signatures should befree from wrinkles, as their presence indicates poor work-manship. Flexible or limp-bound books need not bebacked; still some binders prefer to back all letterpress 104 BOOKBINDING books, claiming that it facilitates the opening. If suchbooks are backed, the ridge should be very small, as other-wise it would be bulky. The combination backing machine and press is a mostuseful article in any bindery, as it is easily convertibleText Appearing After Image:Seybold Convertible Job Backer and Press. from its horizontal position as a job backer to a verticalposition as a small standing press. The jaws are twenty-four inches wide, and the construction is rigid and com-pact. RoLi.ER Backing Machine.—A more expeditiousbacking method is that done with a roller backer. Thejaws of the machine are adjusted to the thickness of thebook by the hand wheel on top, back of the roller. Theroller is adjusted by a hand wheel on the right of the ROUNDING AND BACKING 105 machine; it is raised or lowered by two nuts, operatingon screws on both sides. These are raised or lowered,according to the height of the book. Accurate roundingis indispensable when backing with this machine. Whenadjusted, put the book in the machine as described in thepreceding chapter, and clamp tight by stepping on thefirst treadle; then step on the second treadle, and bringNote About ImagesPlease note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.</div>erfectly resemble the original work.

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https://www.flickr.com/photos/internetarchivebookimages/14595185657/ +

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Https://www.flickr.com/photos/internetarchivebookimages/14595185657/ +

Date"Date" is a type and predefined property provided by Semantic MediaWiki to represent date values.

January 1, 1914 +

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