Modern Methods of Welding As Applied to Workshop Practice Describing Various Me
Modern Methods of Welding As Applied to Workshop Practice Describing Various Me
J H James Henry Davies
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24. SMALL STYLE C WELDING BLOWPIPE, No. 453. These blowpipes, known as the Davis-Bournonville type (Figs. 24 and 25), are provided in two standard sizes large and small which can be fitted with either square or angle heads (45, 75, or 90 degrees), and straight or angle hose connections; but the standard model is shown here. This blowpipe is very desir- able for light and medium sheet metal welding and light repair work, where a light, compact, nicely balanced tool is appre- ciated. Weight, 18 o...unces; length over all, 14 inches. Fitted with five tips Nos. 1, 2, 3, 4, 5, style 99 using oxygen pressures of 2, 4, 6, 8, and 10 pounds respectively. It is used to advantage on metal ^V to T \ inch thick. A standard blowpipe for heavy welding, and for general shop work requiring a strong blowpipe. Weight, 2 pounds; length over all, 20 inches. Fitted with five tips Nos. 6, 7, 8, 9, 10, style 100 using oxygen pressures of 12, 14, 16, 18, and BLOWPIPES 59 20 pounds respectively. This blowpipe can be used on metal from J- inch thick upward.
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