Peepshows were introduced in the mid-eighteenth century by Martin Engelbrecht in Augsburg. They called for a long wooden cabinet designed for purpose incorporating a viewing lens and sometimes a mirror. In the 1820s peepshows made entirely of paper appeared on the scene more or less at the same moment in Vienna, London and Paris. The clumsy cabinet was no longer called for. The new peepshow was equipped with paper bellows so it could be expanded or...