Self-Gripping Lifting Tongs that Hold Tighter Under Load
With a large domed engine and hopper drawn below
The upper register shows several hanging lifting devices — tongs and hooked grips suspended from cords, whose jaws clamp onto a block. The single note explains that the greater the weight loading the tongs, the more firmly it is held, so the load itself tightens the grip. Below, a large boxed engine with a domed top and an attached hopper is drawn in careful perspective; further untranscribed notes surround it but are not included here.
On this page
Load itself tightens the self-clamping tongs
The note states that the greater the weight loading these tongs, the better and more strongly it is held, so that the heavier the burden the firmer the grip.
Four hanging grips and tongs
Four suspended lifting fittings are drawn across the top of the sheet, ranging from a forked hook to scissor-like tongs, each shown gripping a rectangular block hung on a cord.
Domed engine with hopper
The lower half shows a large timber-framed machine with a domed cover over an internal upright mechanism and a broad hopper feeding in from the right, drawn in perspective; its accompanying text is not transcribed here.