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"The pressure of the atmosphere may be easily shown by the tube and piston. suppose there is an orifice to be opened or closed by the valve b, as the piston a is moved up or down in its barrel. The valve being fastened by a hinge on the upper side, on pushing the piston down, it will open by the pressure of the air against it, and the air will make its escape. But when the piston is at the bottom of the barrel, on attempting to raise it again, towards the top, the valve is closed by the force of the external air acting upon it. If, therefore, the piston be drawn up in this state, it must be against the pressure of the atmosphere, the whole weight of which, to an extent equal to the diameter of the piston, must be lifted, while there will remain a vacuum or void space below it in the tube. if the piston be only three inches in diameter, it will require the full strength of a man to draw it to the top of the barrel, and when raised, if suddenly let go, it will be forced back again by the weight of the air, and will stright the bottom with great violence." —Comstock, 1850

Atmospheric Pressure

"The pressure of the atmosphere may be easily shown by the tube and piston. suppose there is an orifice…

"a, the osseous septum grooved for the passage of the cochlear nerve b, which terminates by a free end inside the chamber c, along the floor of which it lies for a short distance; d, d are the two layers of the membranous septum. Lying in contact with the end of the nerve is the enlarged extremity of a rod e, which is connected in a flail-like manner by the hinge f to another rod, which is fixed at g." — Chambers' Encyclopedia, 1875

Auditory Nerve

"a, the osseous septum grooved for the passage of the cochlear nerve b, which terminates by a free end…

A hinge or pivot. The first figure, in the annexed woodcut, is designed to show the general form of a door, as we find it with a pivot at the top and bottom in ancient remains of stone, marble, wood, and bronze. The second figure represents a bronze hinge in the Egyptian collection of the British Museum: its pivot is exactly cylindrical. Under these is drawn the threshhold of a temple, or other large edifice, with the plan of the folding-doors. The pivots move in holes fitted to receive them, each of which is in an angle behind the antepagmentum. The Greeks and Romans also used hinges exactly like those now in common use. Four Roman hinges of bronze, preserved in the British Museum, are shown in the following woodcut.

Cardo

A hinge or pivot. The first figure, in the annexed woodcut, is designed to show the general form of…

A hinged egyptian bracelet.

Egyptian Bracelet

A hinged egyptian bracelet.

This door-hinge is a 16th century German design.

Door Hinge

This door-hinge is a 16th century German design.

A jointed or flexible device that allows the turning or pivoting of a part, such as a door or lid, on a stationary frame.

Door Hinge

A jointed or flexible device that allows the turning or pivoting of a part, such as a door or lid, on…

A hinge is a type of bearing that connects two solid objects, typically allowing only a limited angle of rotation between them.

Door Style Hinge

A hinge is a type of bearing that connects two solid objects, typically allowing only a limited angle…

The gothic hinge is found on a church door in Viersen, Germany. It is an extended strap hinge that is made of wrought metal-work.

Gothic Hinge

The gothic hinge is found on a church door in Viersen, Germany. It is an extended strap hinge that is…

This gothic hinge comes from a door of a cabinet in a town-hall in Zwolle, Netherlands. It is a strap-hinge that terminates as a leaf.

Gothic Hinge

This gothic hinge comes from a door of a cabinet in a town-hall in Zwolle, Netherlands. It is a strap-hinge…

The gothic hinge is a strap-hinge that terminates as a leaf.

Gothic Hinge

The gothic hinge is a strap-hinge that terminates as a leaf.

This Renaissance hinge is found in a town-hall is Augsburg, Germany. It is a 17th century design.

Renaissance Hinge

This Renaissance hinge is found in a town-hall is Augsburg, Germany. It is a 17th century design.

This Renaissance hinge is found on a door in Ettlingen, Germany.

Renaissance Hinge

This Renaissance hinge is found on a door in Ettlingen, Germany.

This Renaissance hinge is a 17th century design found in Zurich, Switzerland.

Renaissance Hinge

This Renaissance hinge is a 17th century design found in Zurich, Switzerland.

This termination of hinge is found in a town-hall in Munster, Germany. It terminates as a leaf.

Termination of Hinge

This termination of hinge is found in a town-hall in Munster, Germany. It terminates as a leaf.

This termination of hinge is found in a town-hall in Munster, Germany. It terminates as a leaf.

Termination of Hinge

This termination of hinge is found in a town-hall in Munster, Germany. It terminates as a leaf.

This termination of hinge is found in Gelnhausen, Germany. It is a 15th century design that terminates as a leaf.

Termination of Hinge

This termination of hinge is found in Gelnhausen, Germany. It is a 15th century design that terminates…

"The Greeks and Romans used hinges exactly like those now in common use. The following cut exhibits four Roman hinges of bronze, now preserved in the British Museum." — Anthon, 1891

Roman hinges

"The Greeks and Romans used hinges exactly like those now in common use. The following cut exhibits…

"Anatomy of the Oyster. A. Hinge or anterior umbonal end of the left valve of an adult oyster, upon which the soft parts of the animal are represented as they lie in situ, but with the greater part of the mantle of the right side removed. a u. The auricle of the right side of the heart contracted. B. Posterior or ventral end of the left valve, which in life is usually directed upward more or less, and during the act of feeding and respiration is separated slightly from the margin of its fellow of the opposite side to admit the water for respiration, and which also contains the animal's food in suspension. b m. Body-mass, traversed superficially by the generative ducts g e. b j. The organ of Bojanus, or 'renal' organ, of the right side of the oyster. (The ducts which it sends into the manle are not shown, nor is its connection with the genito-urinary sinus s indicated.)" — Winston's Encyclopedia, 1919

Oyster

"Anatomy of the Oyster. A. Hinge or anterior umbonal end of the left valve of an adult oyster, upon…