Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 385
Fig. 87. Steam Generator of Temperalure Regulator Shown in Fig. ¥6. … Fig. 83. Temperature Regulator Connected to Steam Coil. » connects with a space below a flexible rubber diaphragm in a sepa- 314
Architecture · Building · Carpentry
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