[=Three rings or whistles.=] Three rings or whistles shall signify
that men are coming up; when return signal is received from the
engineer, men will get on the cage, and cager shall ring or whistle
one to start.


[=Four rings or whistles.=] Four rings or whistles shall signify to
hoist slowly, implying danger.


[=Five rings or whistles.=] Five rings or whistles shall signify
accident in the mine and a call for a stretcher.


=From the Top to the Bottom.=


[=One ring or whistle.=] One ring or whistle from the top to the
bottom shall signify: All ready, get on cage.


[=Two rings or whistles.=] Two rings or whistles shall signify: Send
away empty cage.


[=Addition to code, when allowed; code must be posted at top and
bottom.=] Provided, that the management of any mine, may, with the
consent of the district inspector of mines, add to this code of