{Tubular boiler}. See under {Boiler}.
{Tubular breathing} (Med.), a variety of respiratory sound,
heard on auscultation over the lungs in certain cases of
disease, resembling that produced by the air passing
through the trachea.
{Tubular bridge}, a bridge in the form of a hollow trunk or
tube, made of iron plates riveted together, as the
Victoria bridge over the St. Lawrence, at Montreal,
Canada, and the Britannia bridge over the Menai Straits.
{Tubular girder}, a plate girder having two or more vertical
webs with a space between them.