Bookbinding and its auxiliary branches . d to the operator by the jaws, which release their the book is taken out, another book is fed inbetween the rollers to the guides which in this movementpush the former book out to grasp the one fed in. Thereturn of the book to the operator prevents any possibleinjury, and admits of inspection without loss of time. The adjustments are made for the rounding, theclamping, and the backing. Thin and thick books arebacked equally well. The book can be rounded withoutbacking, or backed without rounding. The backing plateshould always be one-fourth
Bookbinding and its auxiliary branches . d to the operator by the jaws, which release their the book is taken out, another book is fed inbetween the rollers to the guides which in this movementpush the former book out to grasp the one fed in. Thereturn of the book to the operator prevents any possibleinjury, and admits of inspection without loss of time. The adjustments are made for the rounding, theclamping, and the backing. Thin and thick books arebacked equally well. The book can be rounded withoutbacking, or backed without rounding. The backing plateshould always be one-fourth of an inch wider than thethickness of the book. If the books are rounded, thebacking plate is not fastened in the machine. This machine can be had in three sizes: the small sizewill take books three inches to ten inches wide, two andone-half inches to twelve and three-fourths inches high .. ^ ^- l=- M 1 rrr-sr: sm:;^ ars: _ _^^^-__^:— ~- J r-; .v.: —,^_ __: __—-.,- —- ^ jM ??-^ ?---^ Correctly Rounded Book. 108 BOOKBINDING. Tilank-books in Press After RoundiriK. STRAPPING 109 or long, and one-eighth to one and three-fourths inchesthick, at a fast speed of fourteen or a slow speed of ninebooks per minute; the standard size will take books threeand one-half inches to ten and one-half inches wide, twoand one-half inches to twelve and three-fourths incheshigh or long, and one-eighth of an inch to three and three-fourths inches thick, at a fast speed of eleven or a slowspeed of seven books per minute; the extra large size willtake books three and one-half inches to eleven and one-half inches wide, two and one-half inches to seventeeninches high or long, and one-fourth of an inch to threeand one-half inches thick, at a fast speed of nine or a slowspeed of six books per minute. HINGES. All spring-back books have hinges, which are made onthe book after the rounding operation is completed. Thisis made by gluing the entire last waste leaf of the book,tipping the bands down and gl
Size: 1227px × 2036px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectbookbinding, bookyear
