That is more than a quarter of the Earth's diameter.
Two more pipes of 60in diameter were added between 1919 and 1961.
I simply make another perfect sphere of exactly the right diameter.
A conventional dish of the same diameter was also available.
Why we settled on two hundred feet of diameter I hardly know.
The length of the tree and the diameter at its top are then recorded.
Cut the head off a nail of slightly smaller diameter.
It is large enough to contain two or three planets of Earth's diameter.
The tympanum and the eyes are of the same diameter.
The second was of less diameter, for it had no portico.