Steel yard balance swing customers 30th July 1970

30th July 1970

One of the ladies has evidently been called away from a formal evening function to attend to her duty

An obese alderman eats gluttonously

with a border containing items used by the laplanders and scenes of a reindeer pulling a sleigh and carriage

to invade Canada

Steel yard balance swing customers 30th July 1970Front view of a medical instrument intended to correct deformities or irregularities in human bones and muscles. The device used gravity by suspending a patient (most likely a child) from the balance arms. The drawing includes details of weights and suspension tethers. Figure from the paper 'The description and uses of the steel yard balance swing', by Timothy Sheldrake, Philosophical Transactions of the Royal Society, vol. 42 1742 1743, pp. 20 25.