Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 333
Fig. 9, Fig. 10. rosion. The bells on the market today are of two classes, the ironbox bell and the wooden box bell. A bell of the wooden box type isshown in Fig. 9, and a higher grade bell of the iron frame skeletontype is shown in Fig. 10. Bells without covers should never be used,as dust will…
Architecture · Building · Carpentry
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