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A special-purpose oil gauge designed for horizontal
application where a fully vapor-tight oiler is necessary to keep oil from
leaking out. Body and shank are machined from solid bar stock. Not for aire
service.
Both models 4255 and 4259 have a threaded screw cap
which is gasketed to prevent absorption of acid fumes or other vapors by the
oil. The cap is attached by a ball chain to the inside of the gauge body to
prevent dropping and loss. Sight glass is securely gasketed, and backed by a
white enameled reflector to make oil level more readily visible. Not for air
service. |