. Book of the Royal blue . new negative. If the half-tone isfor the ordinary newspaper the en-graver uses a screen consisting of eightyto one hundred lines to the inch. Ifthe half-tone is for fine work a screenof one hundred and thirty-three to onehundred and seventy-five lines to theinch is used. The new negative is thenused to make an impression on a highlyfinished copper plate, whose surface isprepared to receive a photographic im-pression. After the impression has beentransmitted, the plate is etched after shown more detail and have been muchhandsomer in appearance because the pa-per on wh
. Book of the Royal blue . new negative. If the half-tone isfor the ordinary newspaper the en-graver uses a screen consisting of eightyto one hundred lines to the inch. Ifthe half-tone is for fine work a screenof one hundred and thirty-three to onehundred and seventy-five lines to theinch is used. The new negative is thenused to make an impression on a highlyfinished copper plate, whose surface isprepared to receive a photographic im-pression. After the impression has beentransmitted, the plate is etched after shown more detail and have been muchhandsomer in appearance because the pa-per on which this book is printed is enam-eled and very heavy. These cuts were es-pecially prepared for an Art Supplementof a syndicate of newspapers and usedon rapid presses. Had they been madewith a finer screen instead of the coarserone, the impressions would have becomeblurred and almost indistinguishable. The views given are scenes at andnear Harpers Ferry, W. Va., andWashington on the line of the Baltimore& Ohio
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Keywords: ., bookauthorbaltimoreandohiorailr, bookcentury1800, bookdecade1890
