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A practical treatise on the manufacture of soap and candles .. (1888)

Brannt, William T. (William Theodore), b. 1844, Deite, C. (Carl), 1838-1921, Engelhardt, Alwin, Schaedler, Karl, 1843-1891 · Philadelphia, H. C. Baird & co.; [etc., etc.] · leaf 622

An illustration from A practical treatise on the manufacture of soap and candles .., 1888, leaf 622
elt the purified stearic-acid.To prevent it from being overheated and acquiring a brownishcolor, this operation is best performed in a tinned copper kettle,provided with a steam-jacket and discharge-cock, similar to theone shown in Fig. 133. The melted stearic-acid is stirred untilit acquires a… … Melting-Kettle. Section. • A, copper kettle ; B, discharge-cock ; C, steam-pipe ; D, scoop. as described for tallow-candles (Figs. 112 and 113), are used.From 20 to 30 of such moulds are suspended in a copper casingA (Figs. 134 and 135), which sits in the box B, partially filled Fig. 134.

Soap · Candles · Decorative arts

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