Fireproof construction : for houses and other buildings of moderate cost (1911)
National Fire Proofing Company, Pittsburgh · Pittsburgh : National Fire Proofing Co. · leaf 74
SKEW F1LL-E.R. KEY FILLER. 5KEW ARCH BLOCKS Ml A … FILLER- KE.Y FILLER ARCH 3LOCK5 5KEW Arches are made both of rabbetted and rectangular shapes and of 6 in., 8 in., 10 in. and 12 in.thickness. All bevels are 1 in. in 12 in. of height. Length of arch is varied by increasing number ofinters. Key block to be placed as near center of arch as possible.…
Hollow tiles · Building, Fireproof
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