Thatcher, Edward, Thatcher, Isabel · Philadelphia London, J. LIppincott company · leaf 243
MAKING TIN CAN TOYS 204 A fresh lye bath should be made up occasionally as it loses its cleansing power in proportion to the work boiled up in it. Lye may be added to a bath already made up if this bath has not accumulated too much dirt. … -VfllT 3&& Fig. 98. Vent Holes. — If a can is used to represent a boiler or is made up into a drum-like structure, such as a wheel, and is not soldered up air tight, it is apt to fill up with the hot lye solution when placed in it. Unless there are two air holes or vents provided in such a boiler…
Toys
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