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 626
remain clean. They can onlybe engaged, by means of the hand, by pushing the side-pieces Aand B inward, and laying the middle piece C, which is hingedso that it can be folded together, flat. In Fig. 138, A is disen-gaged, and B and C engaged, while in the cross section, Fig.139, all are engaged, and… … Longitudinal Section. together the middle piece C, which is effected by means of thering G, it is guided by the pins H, which also form a seat for Fig. 138.
Soap · Candles · Decorative arts
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