TIENSCHS IMPROVED GRATE CLEARING ATTACHMENT move but one, and that the top sash, the operation is readi-ly accomplished by drawing the cord to the right or left,which relieves the grip of the eccentrics. On straighteningthe line, the latter immediately resume their clasp and holdthe sash in any…
Improved · Patents · Water · Feet · Consists · Iron · Scientific American · Boiler · Pure yeast · Iron working · Carbonic acid · Sewing machine · Horse flesh · Scientific men · Spindle oil · Sulphuric acid · Acid gas
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
