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Articles by Charles Lewton-Brain
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[40] Casting Safety: a glimpse
Here's something to aim for: a well laid-out, orderly workshop, well-lit by multiple non glare light sources, well-maintained equipment, electrically and fire safe, with low dust and few procedures involving solvents, with excellent local ventilation at the appropriate work.... (1999)
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Show me more articles from: [The Jewelry Workshop Safety Report]|[Charles Lewton-Brain]
Releated Categories:[Lost Wax Casting]|[Workshop Safety]
ISBN: 0969851049

 

[612] Chasing, Repousse and Pitch Safety Notes
An ancient system of working metals, this procedure uses steel punches to manipulate the metal while it is fixed onto a pitch or tar-like material. There are traditional pine-resin pitches and modern petroleum-based ones. The petroleum-based pitches are considered potential dermatitis-causing materials, as well as some evidence of their being carcinogenic. At this point most jewelers pitches available through the main suppliers are petroleum-based, and thus, in my opinion, suspect. Besides, they do not work nearly as nicely as the pine pitches.... (2005)
Complete Story

Show me more articles from: [The Jewelry Workshop Safety Report]|[Charles Lewton-Brain]
Releated Categories:[Chasing and repousse]|[Workshop Safety]
ISBN: 0969851049

 

[180] Chemical Inventory and Profiles
If you know what the chemicals are that you use and what their dangers are you will be less likely to hurt yourself with them. In your "Right to Know" binder your should have a list of the chemicals in your workshop (a chemical inventory), MSDS sheets and chemical profile sheets which tell you important information about the chemical. A chemical profile sheet is theoretically easier to read than a standard MSDS sheet. There are several places on the internet where chemical profiles are available.... (1999)
Complete Story

Show me more articles from: [The Jewelry Workshop Safety Report]|[Charles Lewton-Brain]
Releated Categories:[Workshop Safety]|[Critical Notes]
ISBN: 0969851049

 

[71] Cleaning Metal Surfaces
For all metal coloring and electroplating a clean metal surface is essential. The cleaning process must remove mineral oils, organic oils and greases as well as traces of chemicals on the surface. It must remove oxidation which might interfere with the metal coloration or plating adhesion and it should possible activate or roughen the metal surface to better receive the treatment.... (2002)
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Show me more articles from: [Brain Press Publications]|[Charles Lewton-Brain]
Releated Categories:[Surface Manipulation]|[Plating & Electroforming]

 

[167] Collecting Rhinestone and Colored Stone Jewelry
This book by Maryanne Dolan is in its third edition and is clearly a required text for those interested in buying, selling and evaluating rhinestone jewelry. The Rhinestone Jewelry market has grown over the past few years as anyone who goes into antique shops knows. What you might not be aware of is that many of those.... (1996)
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Show me more articles from: [Brain Press Publications]|[Charles Lewton-Brain]
Releated Categories:[Book reviews]

 

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