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1
Description
Demonstration of a 'solution' to the impossible problem of the quadrature (or squaring) of the circle: consisting of a circular brass plate with an equatorial bar and with attached steel angles.
!['Ateles paniscus' [Spider monkey]](https://cdn.shopify.com/s/files/1/2988/4982/products/rs-10189.jpg?v=1519051778&width=256)
