Hook ladder

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Related to Hook ladder: roof ladder
a ladder with hooks at the end by which it can be suspended, as from the top of a wall.

See also: Hook

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
"While inmates of the burning building were jumping from side windows into blankets, Brown ascended the escape with a hook ladder. He entered an office window which resembled a furnace door and, amid the cheers of the crowds emerged shortly afterwards upon the parapet.
Among the kit was the "hook ladder" now confined to firefighting museums
I like to use a hook ladder (sometimes called a "chicken ladder") to get from the edge of a steep roof to the peak (Photo 1).