Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 405
Fig. 120. Plain Type of Two-BurnerGaselier. 331 108 PLUMBING Fixtures having too many scrolls or spirals may, in the case of imper-fectly purified gas, accumulate a large amount of a tarry deposit,which, in time, hardens and obstructs the passages. Another fault
Architecture · Building · Carpentry
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