Hoist and furnace apparatus pouring molten material
A gantry supporting large vessels over a geared crank, with a stream pouring into billowing smoke
A large pen drawing occupies the sheet: a triangular gantry or hoist rising from a crenellated structure at upper left supports two or three great bulbous vessels set within a circular rim, driven by a small toothed wheel and crank, from which a stream pours down into a mass of swirling smoke or flame; a plunger set in a truncated-cone bucket stands at the lower right. The apparatus reads most plausibly as a foundry or casting rig, though its exact function is uncertain. The e-Leo record notes the leaf as without text, yet faint cursive script and chalk marks are visible along the lower margin.
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Gantry, suspended vessels and geared crank
A triangular gantry supports large rounded vessels held within a circular rim. A small toothed wheel with a hand-crank sits below them, and a plunger rises from a cone-shaped bucket at the right, suggesting a mechanism for driving or emptying the vessels.
Stream pouring into smoke or flame
From the central vessels a stream pours downward into a dense mass of billowing smoke or flame, the kind of pouring and heating action associated with a furnace or casting operation.