Model of a Ladder, Model of a ladder that can be used in three ways: as a single ladder, extended and as a skid-ladder. The extendable part, which must be extended by hand, has a wheel at the top of each leg. Two catches prevent it from sliding back. At the top of the part are two hinges, the extendable part of which can be attached, if the bracket is subsequently released, a skid ladder is obtained as a result., Petrus van der Loo, The Hague, c. 1850, wood (plant material), brass (alloy), l 65 cm × l 106 cm (max.) × w 7.7 cm × w 11 cm (max.)
Keywords:
Model, Ladder, ladder, three ways, single ladder, extended, skid-ladder, extendable part, must, hand, wheel, top, leg, Two catches prevent, sliding back, part, two hinges, attached, if, bracket, subsequently released, skid ladder, obtained, result, Petrus van der Loo, Hague, c, 1850, wood, plant material, brass, alloy, l 65
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