An optical device, such as a pair of field glasses or opera glasses, designed for simultaneous use by both eyes and consisting of two small telescopes joined with a single focusing device.

Double Telescope Binocular

An optical device, such as a pair of field glasses or opera glasses, designed for simultaneous use by…

A cleaning implement for sweeping; bundle of straws or twigs attached to a long handle

Sweeping Broom

A cleaning implement for sweeping; bundle of straws or twigs attached to a long handle

A brush used for cleaning teeth.

Tooth Brush

A brush used for cleaning teeth.

A device, as in a furnace, stove, or gas lamp, that is lighted to produce a flame.

Mantle Burner

A device, as in a furnace, stove, or gas lamp, that is lighted to produce a flame.

Lifts and moves heavy objects; lifting tackle is suspended from a pivoted boom that rotates around a vertical axis.

Construction Crane

Lifts and moves heavy objects; lifting tackle is suspended from a pivoted boom that rotates around a…

optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision

Mounting Eyeglass

optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision

A safety device that protects an electric circuit from becoming overloaded. Fuses contain a length of thin wire (usually of a metal alloy) that melts and breaks the circuit if too much current flows through it. They were traditionally used to protect electronic equipment and prevent fires, but have largely been replaced by circuit breakers.

Electric Fuse

A safety device that protects an electric circuit from becoming overloaded. Fuses contain a length of…

An instrument for measuring or testing.

Instrument Panel Gauge

An instrument for measuring or testing.

A machine that separates the seeds, seed hulls, and other small objects from the fibers of cotton.

Cotton Gin

A machine that separates the seeds, seed hulls, and other small objects from the fibers of cotton.

A heater and storage tank to supply heated water

Water Heater

A heater and storage tank to supply heated water

A device for projecting sound waves, as in a loudspeaker.

Loud Horn

A device for projecting sound waves, as in a loudspeaker.

An apparatus in which environmental conditions, such as temperature and humidity, can be controlled, often used for growing bacterial cultures, hatching eggs artificially, or providing suitable conditions for a chemical or biological reaction.

Medical Incubator

An apparatus in which environmental conditions, such as temperature and humidity, can be controlled,…

Machines cut material off moving strips, usually metal, but also leather or laminates, to leave a desired edge shape or cross section.

Skiving Machine

Machines cut material off moving strips, usually metal, but also leather or laminates, to leave a desired…

A type of magnet whose magnetic field is produced by the flow of electric current. The magnetic field disappears when the current ceases.

Electro Magnet

A type of magnet whose magnetic field is produced by the flow of electric current. The magnetic field…

A pen that is supplied with ink from a reservoir in its barrel

Fountain Pen

A pen that is supplied with ink from a reservoir in its barrel

An instrument that converts voice and other sound signals into a form that can be transmitted to remote locations and that receives and reconverts waves into sound signals.

Early Model Telephone

An instrument that converts voice and other sound signals into a form that can be transmitted to remote…

a rat trap is a trap designed to catch rats.

Rat Trap

a rat trap is a trap designed to catch rats.

A kitchen utensil made of material that does not melt easily; used for cooking

Cooking Utensil

A kitchen utensil made of material that does not melt easily; used for cooking