Octagonal game-board with 35 numbered pictorial compartments, each representing a scientific instrument, experiment or phenomenon, with the Niagara Falls in the centre and portraits of Descartes, Bacon, Boyle and Franklin. Kept in a contemporary slip case.  1805
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<br>Hand-coloured etching backed on linen.
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Published by:John Wallis</div>
1805<div style="display: none;">date QS:P571,+1805-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external free" href="https://www.britishmuseum.org/collection/object/P_1893-0331-124">https://www.britishmuseum.org/collection/object/P_1893-0331-124</a>