s 1,200 gallons of gas into a cylinder 24 inches long and 6 inches in diameter; or over 100 gallons into a cylinder 12 inches long, 3 1/2 in diameter.
The pressure is about 800 pounds to the square inch at 60°. It is shipped in chilled wrought-iron bottles with steel faucets.
A head; a knob.
（Artillery.) The plate under the swing-bed for the head of an elevating screw.
F. Nobert, a manufacturer of optical instruments, residing at Barth, Pomerania, has, during the last twenty-five years, been renowned for producing the finest rulings on glass which have hitherto been executed.
These rulings are used for two purposes; as a test of the defining power of microscopic objectives, and as a means of determining the wave-lengths of the undulations of the several portions of the solar spectrum.
Those intended for microscopic use are known as Nobert's test-plates. They are executed on the under surface of a piece of exceedingly thin glass
This, perhaps, is the pioneer of sulky plows and buggy plows, as we of the West call them.
o is from Strutt's plates of ancient dresses, and indicates the appearance of the Anglo-Saxon plow and plowman of the eighth century.
From the foregoing and those shown in the next figure, and a comparison of others for which we have no room here, it appears that the ancient Egyptian, Etruscan, Syrian, and Greek plows were equal to the modern plows of the South of France, part of Austria, Poland, Sweden, Spain, Turkey, Persia, Arabia, India, Ceylon, and China.
The last thirty years may have worked a partial change, but not sufficient to invalidate the general truth of the statement.
The ancient Etruscan plow, for instance, was probably as good an implement as the one now used by the peasantry of the Arno, — the same territory.
In Fig. 3822, a is a group from Beni-Hassan, and of about the date of Osirtasen, who is considered by Wilkinson to be contemporary with Joseph; he who s