Electro Typing a Practical Manual Forming a New And Systematic Guide to the Re
Electro Typing a Practical Manual Forming a New And Systematic Guide to the Re
John W Urquhart
The book Electro Typing a Practical Manual Forming a New And Systematic Guide to the Re was written by author John W Urquhart Here you can read free online of Electro Typing a Practical Manual Forming a New And Systematic Guide to the Re book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Electro Typing a Practical Manual Forming a New And Systematic Guide to the Re a good or bad book?
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The lubricating arrangements usually consist of needle oil cups, or ordinary syphon lubricators, and need no attention, but to be constantly supplied with sperm oil, free from grit. Owing to the high rate of speed, much care is, of course, necessary to avoid allowing the oil cups to run dry, or the oil- ways to get clogged up. Regulation of Dynamo- Electric Currents. In a large electro-plating or electro-typing establish- ment where a number of vats are employed, one machine is frequently arran...ged to supply them all. The arrangements should be somewhat as fol- low: The vats should be ranged along one wall of the shop, at equal distances apart. The dynamo- electric machine should either be fixed on the floor just behind the central vat, or to a raised standard above it. The main conductors should consist of two stout copper rods or tubes, insulated from the wall by being fixed in dry wood brackets, and should extend from one end of the wall to the other. The conductors from the machine should be stout copper straps, screwed separately to the main rods.
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