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"Courtney's Automatic Buoy. A, cylinder, 27 ft. 6 in. long; B, mooring shackle; C, rudder; D, buoy; E, diaphragm; F, ball valves; G, air inlet tubes; H, air (compressed) outlet tube to whistle; I, compressed air inlet to buoy; K, manhole; L, steps; N, whistle." —The Encyclopedia Britannica, 1910

Automatic Buoy

"Courtney's Automatic Buoy. A, cylinder, 27 ft. 6 in. long; B, mooring shackle; C, rudder; D, buoy;…

"A muffle furnace, employed for annealing, hardening, and tempering." —Encyclopedia Britannica, 1910

Automatic Oil Muffle Furnace

"A muffle furnace, employed for annealing, hardening, and tempering." —Encyclopedia Britannica,…

An illustration of an automatic coal weighing machine.

Automatic Coal Weighing Machine

An illustration of an automatic coal weighing machine.

An illustration of an automatic coal weighing machine.

Automatic Coal Weighing Machine

An illustration of an automatic coal weighing machine.

An illustration of an automated dye-vat.

Automated Dye Vat

An illustration of an automated dye-vat.

"Automatic Oil Muffle Furnace." — The Encyclopedia Britannica, 1910

Furnace

"Automatic Oil Muffle Furnace." — The Encyclopedia Britannica, 1910

A howitzer is a type of artillery piece that is characterized by a relatively short barrel and the use of comparatively small explosive charges to propel projectiles at trajectories with a steep angle of descent. In the taxonomies of artillery pieces used by European (and European-style) armies in the 18th, 19th, and 20th centuries, the howitzer stood between the "gun" (which was characterized by a longer barrel, larger propelling charges, smaller shells, higher velocities and flatter trajectories) and the "mortar" (which has the ability to fire projectiles at even higher angles of ascent and descent).

Howitzer

A howitzer is a type of artillery piece that is characterized by a relatively short barrel and the use…

An active fire protection measure, consisting of a water supply system, providing adequate pressure and flowrate to a water distribution piping system, onto which fire sprinklers are connected.

Automatic Sprinkler

An active fire protection measure, consisting of a water supply system, providing adequate pressure…