John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 618
sesses the advantage of being always ready for use, but the milled head has to be slightly unscrewed from time to time during the progress of the pattern to compensate the wearing away of the lead; the use of the metal point and prepared paper of one of the so- called metallic memorandum books… … of the rod like the pencil, consists of a glass tube drawn down to a very fine point with a minute aperture, with the end of the delicate point truly flat and polished; the tube is partly filled with any diluted aniline dye and the butt end stopped up, the pen traces a very good line and the ink…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.
