Boring tool, plane-iron, and canvas-stretching frames
Workshop devices: an auger for large holes and hooked iron triangles to stretch painters' canvas
The upper part of the sheet shows a cranked boring tool designed for making holes larger than an ordinary auger, together with a plane-iron blade (labelled a) pierced above so that the shavings can escape. Below, rows of tinned-iron triangles studded with hooked pins are drawn as clamps for stretching canvas in preparation for painting. A note beside one of the lower figures simply reads 'Better'.
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Boring tool for holes larger than an auger
The device drawn at the top centre is for making holes of greater size than a gimlet or auger. It couples a cranked handle to a screw-fed cutting point mounted on a bracket.
Plane-iron blade a, pierced to eject the shavings
The angle a is to serve as the iron of a plane, and is likewise pierced on its upper side so that the shavings come out through the opening rather than clogging the tool.
Tinned-iron triangles with hooked pins to stretch canvas
These triangular pieces of tinned iron are filled with hooked pins; with them one stretches the canvases when they are being prepared for painting. Several are shown clamped in a row along a batten.