"Part of Henry VII's Bronze Screen." —The Encyclopedia Britannica, 1903

Bronze Screen

"Part of Henry VII's Bronze Screen." —The Encyclopedia Britannica, 1903

"The electric screen. A screen of wire gauze surrounding a delicate electrical instrument will protect it from external electrostatic induction." -Hawkins, 1917

Electric Screen

"The electric screen. A screen of wire gauze surrounding a delicate electrical instrument will protect…

Fender is the US English term for the part of an automobile, motorcycle or other vehicle body that frames a wheel well. Its primary purpose is to prevent sand, mud, rocks, liquids, and other road spray from being thrown into the air by the rotating tire.

Car Fender

Fender is the US English term for the part of an automobile, motorcycle or other vehicle body that frames…

This fender is made out of metal like fencing used to protect the rail cart from larger road debris.

Pick UP Car Fender

This fender is made out of metal like fencing used to protect the rail cart from larger road debris.

"Lady Chapel of Gloucester Cathedral, England, looking toward the nave." -Whitney, 1911

Gloucester Cathedral

"Lady Chapel of Gloucester Cathedral, England, looking toward the nave." -Whitney, 1911

"About two feet away from an air thermometer, place an inverted flower pot. Midway between the two, place a board or glass screen that reaches from the table to a height of several inches above teh bulb of the air theremometer. Upon the flower pot, place a very hot brick. Notice that the heat of the brick has little effect upon the thermometer. Then hold a sheet of tin plate over the screen so that energy radianted obliquely upward from the brick may be reflected obliquely downward toward the thermometer. By properly adjusting the position of the reflector, the thermometer may be quickly affected." -Avery 1895

Heat Reflection

"About two feet away from an air thermometer, place an inverted flower pot. Midway between the two,…

Ruler and with a lens and screen, used for demonstrating refraction.

Ruler and lens

Ruler and with a lens and screen, used for demonstrating refraction.

A sifter used for gravel.

Gravel Screen

A sifter used for gravel.

Screen to keep insects from entering a building through the open window

Window Screen

Screen to keep insects from entering a building through the open window

Screen to keep insects from entering a building through the open window

Window Screen

Screen to keep insects from entering a building through the open window

Separates wanted elements from unwanted material using a filter such as a mesh or net. However, in cooking, especially with flour, a sifter is used to aerate the substance, among other things. A strainer is a type of sieve typically used to separate a solid from

Separator and Sifter

Separates wanted elements from unwanted material using a filter such as a mesh or net. However, in cooking,…

This is a tool used to sift soil.

Soil Sifter

This is a tool used to sift soil.

The steam-vessels were protected by torpedo-nets formed of ropes weighted with iron or lead, and furnished with hooks to catch the little submarine mines. These nets were hung from spars placed athwart the bowsprit in front of the vessel, and sometimes in like manner along its sides.

Torpedo Net

The steam-vessels were protected by torpedo-nets formed of ropes weighted with iron or lead, and furnished…

A sash window is made of one or more movable panels or sashes that form a frame to hold panes of glass which are often separated from other panes by narrow muntin bars

Interchangeable Window Sash and Screen

A sash window is made of one or more movable panels or sashes that form a frame to hold panes of glass…

A movable device, especially a framed construction such as a room divider or a decorative panel, designed to divide, conceal, or protect.

Adjustable Window Screen

A movable device, especially a framed construction such as a room divider or a decorative panel, designed…