THE NEW COMPOSING-ROOM BUILDING
here provided consists of a large variety of type in all styles and sizes, besides many special and unusual characters. All proofs are taken on hand presses and are read by the proof-readers before they are submitted to the authors. The work of these proof-readers is of great importance, and only men and women of high intelligence can properly perform this work, which requires patience, care, and long educational and technical training. They are responsible for the correction of all misspelling, grammatical errors, mistakes in punctuation, the misuse of type, and other details. In fact, the prestige and success of any press is in no small measure due to the high efficiency of its proof-readers. They are often of great assistance to authors in pointing out faulty construction, repetition of words and phrases, and even, at times, errors of fact.
After the type is set, it is made up into pages, and when all the corrections of both proof-readers and author have been incorporated, the pages are locked up in iron chases and taken to the Electrotyping Department. An impression of them is made in wax and this wax mould is coated with graphite and placed in a bath of copper sulphate through
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