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The sambuca (Ancient Greek: σαμβύκη) [1] was a ship-borne siege engine which was invented by Heracleides of Tarentum [2] and was first used unsuccessfully by Marcus Claudius Marcellus during the Roman siege of Syracuse in 213 BC. [3]
Locking rail with arbors, counterweights, rope locks (red) and pins for spot lines visible. A locking rail is typically a steel angle or rectangular tube to which the rope locks of a counterweight system are mounted. Locking rails are located on the stage deck and/or fly gallery and typically extend from the proscenium wall to the upstage wall.
Scaffolding for rehabilitation in Madrid, Spain [1] Scaffolding, also called scaffold or staging, [2] is a temporary structure used to support a work crew and materials to aid in the construction, maintenance and repair of buildings, bridges and all other human-made structures. Scaffolds are widely used on site to get access to heights and ...
A hook-and-ladder of the Pioneer, Hook and Lader Co. The "hook and ladder" was an early type of fire units known since late 1700s. It was a horse-drawn carriage which brought ladders and hooks to the fire place. Ladders were used for access to upper floors and the roof. "Hooks" were pike poles used for pulling down and apart the burning ...
Fireman's pole. A fireman's pole (also called a firefighter's pole, sliding pole or a fire pole) is a pole that firefighters slide down to quickly reach the ground floor of a fire station. This allows them to respond to an emergency call faster, as they arrive at the fire engine faster than by using a standard staircase.
A fishplate joins two lengths of track. A fishplate, splice bar or joint bar is a metal connecting plate used to bolt the ends of two rails into a continuous track. The name is derived from fish, [1] a wooden reinforcement of a "built-up" ship's mast that helped round out its desired profile. [2] The top and bottom faces taper inwards along ...
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