Canal Pass

A permit obtained from the State authorities at the entrance of canals. This pass must be shown at the various locks upon demand.

Clearance. The canal pass is often referred to as a clearance.

Change Bridge. The tow-path shifts form one side to the other, and where this occurs a bridge spans the canal for the mules to cross over.

Double Header. Two canal boats in line, one pushing or pulling the other.

Free Canal. When no toll is demanded nor charges made for the pass.

Gate Sluice. The blade which opens and shuts on the bottom of the lock gates, and is controlled by a lever in the hands of the lockman. The opening and shutting of this blade floods and drains the lock.

Heel-path. The opposite side of the canal from the tow-path.

Lock. The mechanical structure used on canals for raising and lowering a vessel from one level to another.

Lock Gates. The gates to a lock which may be opened and closed, and by means of which the lock may be flooded or drained and the desired level obtained.

Level. The stretch of water between two locks.

Lowering Lock. A lock which lowers a boat to a new level.

Raising Lock. A lock which raises a boat to a new level.

Tow-path. The roadway for the mules drawing the boats.

Towing Canal Boat. A canal boat drawn by mules.

Single Header. A single canal boat, either steam or towing.

Steam Canal Boat. A canal boat propelled by its own steam.