The Art of Lead Burning a Practical Treatise Explaining the Apparatus And Proce
The Art of Lead Burning a Practical Treatise Explaining the Apparatus And Proce
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In our eReader you can find the full English version of the book. Read The Art of Lead Burning a Practical Treatise Explaining the Apparatus And Proce Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Art of Lead Burning a Practical Treatise Explaining the Apparatus And Proce
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The rubber bag is incased in a string net to prevent it from becoming in- Fig. 12. Air Holder No. 3, Combined with Bellows.
flated too much and bursting. This bag serves to equalize the pressure. The size known as No. 10 A will supply 75 cubic feet per hour at a pressure of iy 2 pounds to the square inch, which is sufficient for lead as heavy as 24 pounds. For the light weight leads the pressure can be re- duced by pumping lightly and not filling the bag more than half full.
go THE ART OF LEAD ...BURNING.
Any of the three described air blast arrange- ments will answer the purpose, so it is immaterial which is used, and it is left to the discretion of the beginner to obtain whichever is the most con- venient.
The Blow Pipe.
Next comes the blow pipe. The only prac- tical compound blow pipe on the market is shown in Fig. 13, and is known as Walmsley's. This is a modification of the Bunsen burner, and con- Fig> I 3- The Walmsley Compound Blow Pipe.
sists of a bent blow pipe with the air tube in the center, as shown in Fig.
What to read after The Art of Lead Burning a Practical Treatise Explaining the Apparatus And Proce?
You can find similar books in the "Read Also" column, or choose other free books by C H Fay to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The rubber bag is incased in a string net to prevent it from becoming in- Fig. 12. Air Holder No. 3, Combined with Bellows.
flated too much and bursting. This bag serves to equalize the pressure. The size known as No. 10 A will supply 75 cubic feet per hour at a pressure of iy 2 pounds to the square inch, which is sufficient for lead as heavy as 24 pounds. For the light weight leads the pressure can be re- duced by pumping lightly and not filling the bag more than half full.
go THE ART OF LEAD ...BURNING.
Any of the three described air blast arrange- ments will answer the purpose, so it is immaterial which is used, and it is left to the discretion of the beginner to obtain whichever is the most con- venient.
The Blow Pipe.
Next comes the blow pipe. The only prac- tical compound blow pipe on the market is shown in Fig. 13, and is known as Walmsley's. This is a modification of the Bunsen burner, and con- Fig> I 3- The Walmsley Compound Blow Pipe.
sists of a bent blow pipe with the air tube in the center, as shown in Fig.
What to read after The Art of Lead Burning a Practical Treatise Explaining the Apparatus And Proce?
You can find similar books in the "Read Also" column, or choose other free books by C H Fay to read onlineMoreLess
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