Saw outwears three ordinary saws. WATCHMANS IMPROVED TIME DETECTOR, WITH SAFETY LOCK ATTACHMENT. Patented 1875,1876,1877.18S0,1881,188-i.This InstrumentIs supplied with 13keys. Invaluablefor aU concernsemploying watch-men. It containsall modern im-provements, and18 far superior atthe old style.…
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