Scientific Aierican. [APRIL 4, 1896. … @e WOESTABLISHED 1840.0: interest the novice but excite the scorn ARMSTRONG’ § = PIPE # THREADING of the expert. CUTTING- “OFF MACHINES te is due to its capacity for doing the best work, and lots The “Scientific American ’'says of Nanter SIX moa of it. 7500 of the New Model No. & sold. since last…
Internet Archive · Public domain (published before 1931). Free to use for anything.
