In 1653, Cassini, wishing to employ such an instrument, sketched a plan for a new and larger [gnomon] but one which would be difficult to build.
Sa 1653, Cassini, na nagnanais na gamitin tulad ng isang instrumento, sketched ng isang plano para sa isang bago at mas malaki [gnomon] ngunit isa na kung saan ay magiging mahirap na build.