This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1910 edition. Excerpt: ...cherry red; then plunge into cold water. This process permits of case-hardening any portion of a piece bylocalizing the application of cyanide of potassium. 240. To case-harden without colors by box process.--The old process is to pack the pieces in an iron box surrounded by scraps of leather, hoofs cut into ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1910 edition. Excerpt: ...cherry red; then plunge into cold water. This process permits of case-hardening any portion of a piece bylocalizing the application of cyanide of potassium. 240. To case-harden without colors by box process.--The old process is to pack the pieces in an iron box surrounded by scraps of leather, hoofs cut into small pieces, salt, etc. The modern method is to pack the articles in iron boxes A, Fig. 143, between layers of granulated bone black, or raw bone and cover with iron filings or with an iron cover cemented with clay. Heat boxes to a light red (1400 F. to 1500 F.) in case-hardening furnace B, for two to four hours according to the depth of hardening desired. When ready, remove the cover and dump contents of box C into clear, cold, soft water D. Remove articles by sieve hung below surface of water. To clean work, separate from, bone and boil in clean water. Dry in sawdust, and oil to bring out color and prevent rusting. To case-harden with colors.--To obtain the finest colors and mottling the heat must be uniform, the work bright and clean, the bone charred without burning it before work is packed in it, and an air pipe should be connected with water pipe so that air and water will mix and come into the tank together otherwise the work may be hard but without coloring. Delicate articles may be dipped in oil. Attention.--Case-hardening and annealing coal furnace B is used for case-hardening by day and the heat utilized for annealing by night. Work to be annealed is packed in old burned bone and heated to a cherry red, then removed, covered with slacked lime, and allowed to cool very slowly. Note.--Machine steel and wrought iron absorb carbon to a depth of about i" in 24 hours. Copper-plate such portions of work as are not to be...
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Add this copy of Text-Book of the Elements of Machine Work to cart. $23.42, new condition, Sold by Books2anywhere rated 5.0 out of 5 stars, ships from Fairford, GLOUCESTERSHIRE, UNITED KINGDOM, published 2022 by LEGARE STREET PR.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
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Add this copy of Text-Book of the Elements of Machine Work to cart. $35.89, new condition, Sold by Books2anywhere rated 5.0 out of 5 stars, ships from Fairford, GLOUCESTERSHIRE, UNITED KINGDOM, published 2022 by LEGARE STREET PR.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
Add this copy of Text-Book of the Elements of Machine Work: Prepared for to cart. $37.30, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2022 by Legare Street Press.
Add this copy of Text-Book of the Elements of Machine Work to cart. $37.59, new condition, Sold by Paperbackshop International rated 3.0 out of 5 stars, ships from Fairford, GLOS, UNITED KINGDOM, published 2022 by LEGARE STREET PR.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
Add this copy of Text-Book of the Elements of Machine Work: Prepared for to cart. $43.12, new condition, Sold by Just one more Chapter rated 3.0 out of 5 stars, ships from Miramar, FL, UNITED STATES, published 2022 by Legare Street Press.
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All Editions of Text-Book of the Elements of Machine Work: Prepared for Students in Technical, Manual Training, and Trade Schools, and for the Apprentice in the Shop
