. Forging of iron and steel, a text book for the use of students in colleges, secondary schools and the shop . leather /mtfe. and cheaply a hot and non-oxidizing fire. The hoods ondown-draft forges can be raised and Blowers are of two types, the fan (Fig. 22) and thepressure (Fig. 23). The pressure blower is the better since it gives aHfa—?«?* steady blast, where- as that from the fanis spasmodic. Bellows (Fig. 24) were formerly much used to furnish the blast for blowing the fire, but they are rarely found in modern shops. Anvil. — Next to the forge the anvil (Fig. 25) is themost imp
. Forging of iron and steel, a text book for the use of students in colleges, secondary schools and the shop . leather /mtfe. and cheaply a hot and non-oxidizing fire. The hoods ondown-draft forges can be raised and Blowers are of two types, the fan (Fig. 22) and thepressure (Fig. 23). The pressure blower is the better since it gives aHfa—?«?* steady blast, where- as that from the fanis spasmodic. Bellows (Fig. 24) were formerly much used to furnish the blast for blowing the fire, but they are rarely found in modern shops. Anvil. — Next to the forge the anvil (Fig. 25) is themost important part of the shop equipment. Anvilsare rated by their weight; No. 150 meaning one thatweighs 150 pounds. The size used in shops ranges fromNo. 150 to No. 250 and is selected according to the work r/iarc/ie Ho/e Fig. 24. to be done. Anvils weighing 100 lbs. are very satisfactoryfor school use. On the older anvils of English make theweight is stamped on the side. Three numbers are used; 1 The author believes a forge open underneath is the better, asthe parts are more accessible for repairs.
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1915
