Transcriber’s Note:Punctuation has been standardised. Spelling and hyphenation have been retained as they appear in the original publication except as follows:Page 26two to three in cm. width overchanged totwo to threecm. inwidth overPage 30on the mercury and quntiaty of airchanged toon the mercury andquantityof airPage 38may be also used in photo-zylographychanged tomay be also used inphoto-xylographyPage 97with a mat surface or varnishedchanged towith amattsurface or varnishedPage 103The Artotype Co. takechanged toThe Artotype Co.takesPage 107If this fail to produce sufficientchanged toIf thisfailsto produce sufficientPage 122we owe the orgination of thischanged towe owe theoriginationof thisdevelope the invisible imagechanged todevelopthe invisible imagePage 12660° Reamurchanged to60°RéamurAdvertisementsDÖESENER WEG, LEIPSIG.changed toDÖSENERWEG,LEIPZIG.LEIPSIC, GERMANY,changed toLEIPZIG, GERMANY,INKS, ROLLERS, CHEMICAL Schanged toINKS, ROLLERS,CHEMICALSSchweinfurt a/ Mainechanged toSchweinfurt a/MainA. & M. ZMIMERMANNchanged toA. & M.ZIMMERMANN
Transcriber’s Note:
Punctuation has been standardised. Spelling and hyphenation have been retained as they appear in the original publication except as follows: