A range of low-speed air flows was provided by a gasometer and fan.
It was possible to cover a range up to 800ft.3/h from the gasometer and the orifice was therefore calibrated using the gasometer up to this value.
Paragraph (viii) deals with engine houses and gasometers and electric lighting apparatus.
A floating dock is as prominent an object as a gasometer.
I might mention that some pressurised gasometers already operate at a lower pressure for safety reasons.
It is called a balancing lagoon because, like gasometers, its level goes up and down.
They measured a distance to a point 21 miles away, to a particular gasometer which was a good mark in the air.
I am sorry that gasometers cannot be put underground.
