several physical characteristics rather than relying on one detail.
The size and shape of the glass tube
Measure the tube’s:
Total length
Outside diameter
Approximate wall thickness
Shape of each end
A very narrow tube may have come from a specialized instrument, while a wider tube could belong to a toy, display item, or novelty.
Whether the tube is sealed
This is an especially important detail.
A tube with permanently sealed ends may have been designed to contain its contents during movement or storage.
A tube with removable caps, plugs, or open ends may have a different purpose.
Do not
Comments