AN IMPROVED BOTTLE PROTECTOR. AN IMPROVED BISCUIT CUTTER. SID WAY'S BISCUIT CUTTER. AN IMPROVED STAMP MILL. Sewage Schemes. Tensile Tests at Varying Temperatures. AN IMPROVED RAZOR STROP. AN IMPROVED SCREW-THREADING DIE. AN IMPROVED DRIVE CHAIN., scientific american, 1889-11-23
AN IMPROVED BOTTLE PROTECTOR. AN IMPROVED BISCUIT CUTTER. SID WAY'S BISCUIT CUTTER. AN IMPROVED STAMP MILL. Sewage Schemes. Tensile Tests at Varying Temperatures. AN IMPROVED RAZOR STROP. AN IMPROVED SCREW-THREADING DIE. AN IMPROVED DRIVE CHAIN., scientific american, 1889-11-23
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