File:Hardware merchandising January-June 1898 (1898) (14582725360).jpg

Identifier: hardwaremerjanjun1898toro (find matches)
Title: Hardware merchandising January-June 1898
Year: 1898 (1890s)
Authors:
Subjects: Hardware industry Hardware Implements, utensils, etc Building
Publisher: Toronto :
Contributing Library: Fisher - University of Toronto
Digitizing Sponsor: Algoma University, Trent University, Lakehead University, Laurentian University, Nipissing University, Ryerson University and University of Toronto Libraries

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
rs have scarcely time to lose their fierce glow fromthe furnace to the iron truck in which they are wheeled off to theannealing room to be softened for the grinding, stripping and cut- Testers now take these blanks one by one, and, with a hand-cutters short chisel, test them to see if they are level. Those thatare imperfect are sent back to the grinder, while the others pass onto the cutting machine, each one of which occupies scarcely moreroom than a sewing machine, and is operated by girls and boys aswell as by men, each machine being adapted to its particular taskof cutting edges or sides in single or double cut on the variousshaped files. The blank fits into a groove and is automatically fedto the chisel, that comes down at the rate of 4,000 times a minuteon the small files, cutting from 50 to 200 teeth to the inch, andfinishing one row of cuts on the side of the file in six or sevenseconds and making no two teeth exactly alike from point to tang,but increasing them imperceptibly.
Text Appearing After Image:
Cutting Shop No. 1. ting. The blanks, or blank files, which have a mottled, roughappearance from the forging and the softening in the furnaces, aresent in batches on long rolling carriers to the grinders, who operate10 power machines and as many more stones by hand. The greatgrindstones, such as the Sheaf or the Schuylkill never blinked at orrippled over, are shut up in a framework, forming boxes 10 feethigh, from which comes the peculiar ear-splitting sound made bystone on steel. All that is required of the machine grinder is toput a number of blanks in a plate holder, which closes up againstthe stationary stone like a furnace door. With the revolution ofthe wheel the plate goes up and returns, and one surface of theblanks has been made true and smooth. When all the surfaces ofthe blanks have been ground they are fitted into the strippingmachines, which consist of vises and sliding file strips on long, hori-zontal tables. THE INCREMENT CUT. The manufacturers have been experimenting o

Note About Images