Inside Out Library · Explore

Scientific American, Vol. 57, No. 14 (1887) (1887)

leaf 4

An illustration from Scientific American, Vol. 57, No. 14 (1887), 1887, leaf 4
ey hole, the guard in which the sealing strip rests, there being also an having two upwardly extending arms or wings, be- bent and doubled at its edges as to form locking joints aperture in the spring tongue to register with an- tween which the bit of the key passes when entering on all four of its… … states that it has fallen to his lot tosee more than one SEAL LOCK. PAULMIER’S KEY FASTENER. outbreak of sore throat, which he believes is caused by with a punch point is mounted in a housing that ex- mitted ; but whenthe key has been turned sufficiently this cireumstance. It may be hoped that the…

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 57, No. 14 (1887)

More like this