Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 384
d? Ans. 5.9 sq. ft. 312 PLUMBING 89 4. A hotel has 30 bathtubs, ^vbetween the hours of seven and ninein the morning. The hot-water sys-tem has a storage tank of 400 jral-Ions. Allowing 20 gallons per bath,and starting with the tank full ofhot water, how many square feet ofgrate surface will be… … LJ^—B
Architecture · Building · Carpentry
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
