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"The maximum safe load in pounds that any cylindrical beam is capable of sustaining at the middle when its ends merely rest upon supports, is equal to four times the cube of its diameter multiplied by .6 of the constant given in the table, and the product divided by the distance between its supports in feet." —Hallock 1905

Cylindrical Beam

"The maximum safe load in pounds that any cylindrical beam is capable of sustaining at the middle when…

"An American machine, introduced into England by Mr. Ellis. It consists of an iron cylindrical casing A, open about a fourth part of its circumference (a to b) for admission of air, and an exit pipe B. Inside the casing is another cylinder, placed eccentrically to it, and which always fits close up against the wooden packing C. This cylinder acts as a driver for the three fan blades or pistons D, which are capable of passing out and in through longitudinal slits in its circumference. There is a shaft passing through the small cylinder, and concentric with it at the ends, but cranked in the middle part so as to become concentric with the casing. The inner cylinder revolves round the axis of the ends of the shaft, and on the cranked part revolve the fan blades or pistons, driven by the cylinder." — Encyclopedia Britanica, 1893

Blowing-Machine

"An American machine, introduced into England by Mr. Ellis. It consists of an iron cylindrical casing…

"The maximum safe load in pounds that should be allowed at the end of any cylindrical cantilever is equal to the cube of its diameter in inches multiplied by .6 of the constant given in the tale, and the product divided by its length in feet." —Hallock 1905

Cylindrical Cantilever

"The maximum safe load in pounds that should be allowed at the end of any cylindrical cantilever is…

Projection of a circular ring.

Projection of Circular Ring

Projection of a circular ring.

A pair of hands forming a long section of rolled clay into a container.

Modeling a clay container

A pair of hands forming a long section of rolled clay into a container.

A pair of hands smoothing a clay container formed by curling large sections of rolled clay together.

Smoothing a clay container

A pair of hands smoothing a clay container formed by curling large sections of rolled clay together.

An illustration of a composite figure made up of a quadrilateral frustum and half of a cylinder. Frustum edges range between 6 feet and 11 feet 5 inches and cylinder has a height of 12 feet.

Composite Figure of Quadrilateral Frustum With Half of a Cylinder Attached

An illustration of a composite figure made up of a quadrilateral frustum and half of a cylinder. Frustum…

a solid which may be concieved as generated by the revolution of a rectangle about one of its sides.

Right Cylinder

a solid which may be concieved as generated by the revolution of a rectangle about one of its sides.

A flashcard featuring an illustration of a Cylinder

Flashcard of a Cylinder

A flashcard featuring an illustration of a Cylinder

A pair of hands rolling clay into a cylindrical shape.

hands molding clay

A pair of hands rolling clay into a cylindrical shape.

"Holophotal Fixed Light varied by Flashes.—Fresnel's double agents are here also dispensed with by the single agency of panels of fixed light apparatus p', p' and cylindrical refractors L', L', alternating with panels of holophotal apparatus p, p, L, L, both of which revolve together round the central burner." —The Encyclopedia Britannica, 1910

Holophotal Light

"Holophotal Fixed Light varied by Flashes.—Fresnel's double agents are here also dispensed with…

"Wood is heated in cylindrical iron retorts. the volatile materials are cooled, and while a portion remains gaseous and is used as fuel, a large part is condensed to a dark, tarry liquid." -Brownlee 1907

Cylindrical Iron Retort and Condenser

"Wood is heated in cylindrical iron retorts. the volatile materials are cooled, and while a portion…