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| Jack |
Locomotive. (A term often confused with the lifting
device, hence seldom used). Most commonly, a "Juice Jack":
electric locomotive. |
| Jacket |
American term for outer covering of thin sheet steel over
the lagging material of a locomotive boiler, cylinder or other insulated
heat radiating surface. |
| Jackpot |
Miscellaneous assortment of mail and parcels piled in the
aisle of a postal car and requiring removal before the mail in the
stalls can be "worked". |
| Jailhouse Spuds |
Waffled potatoes. |
| Jam Buster |
Assistant yardmaster. |
| Jam Nuts |
Doughnuts. |
| Janney |
To couple; derived from the Janney automatic coupler. |
| Jawbone Shack |
Switch shanty. |
| Jay Rod |
Clinker hook. |
| Jerk A Drink |
Take water from track pan without stopping train. From
this came the word jerkwater, which usually means a locality serving
only to supply water to the engines of passing trains; a Place other
than a regular stop, hence of minor importance as jerkwater town,
jerkwater college, etc. |
| Jerk Soup |
Same as jerk a drink. |
| Jerk-By |
See flying switch. |
| Jerry |
Section worker; sometimes applied to other laborers. |
| Jew Bar |
Slang term for a device that holds a track in gauge. Used
on sidings or industrial track. |
| Jewel |
Journal brass. |
| Jigger |
Full tonnage of "dead" freight. |
| Jimmies |
Four-wheel coal or ore cars. Also known as
"Jennies". |
| Jitney |
1) Four-wheel electric truck that carries baggage around
inside a terminal. 2) An unregulated private automobile that carried
passengers on public highways for 5-cent fare in direct competition with
trolley cars. |
| Johnson Bar |
The reversing lever of a steam locomotive. |
| Join The Birds |
Jump from moving engine or car, usually when a wreck is
imminent. |
| Joint |
1) A length of rail, generally 33 or 39 feet. 2) Making a
joint: coupling cars. 3) Riding to a joint is bringing cars together so
that they couple. |
| Joint Facilities |
Any facilities owned by two or more railroads. |
| Joker |
Independent or locomotive brake, part of E-T
(engine-train) equipment. |
| Journal |
The load-bearing part of a shaft or axle support by a
bearing. |
| Journal Box |
Metal box around axle bearing for holding a lubricant
saturated pad next to the wheel bearing. |
| Journal Log |
Compiled by the conductor, a list of the make-up and
events of train movement. |
| Juggler |
Member of way-freight crew who loads and unloads freight
at station stops. |
| Juggling The Circle |
Missing a train-order hoop. |
| Juice |
Electrical power. A juice fan is one who makes a hobby out
of electric railways. |
| Juice Jack |
Straight-electric locomotive. |
| Junction |
A location designated by the Timetable where two or more
railroad lines converge. |
| Junk Pile |
Old worn-out locomotive that is still in service. |