Description: Patent for a new and improved folding ladder. This design consists in "the combination, with main supporting-strips, of recessed auxiliary strips connected thereto, rounds formed with bows, sections which pass through the recesses of the auxiliary strips, and stops which bear against the main supporting strips, and strengthening strips, through which the bows of the rounds pass" (lines 77-84).
Date: December 27, 1887
Creator: Ethridge, William Spencer.
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