Historical information
Example of small diameter airpipe for the supply of air to the air gauge or sanding mechanism. Recovered from tram 14 during the project to replumb or replace the air system on the tram. Has been corroded internally.
Significance
Yields information about the size of air piping fitting to a tram.
Physical description
Length of steel air pipe - with screw thread at one and half of brass union at the other. Has corroded internally.