EditorialHorology: Compensating Pendulums, from pl. XXXIX from 'A Cyclopaedia of Horology - Rees's Clocks Watches and Chronometers', Abraham Rees, 1743 - 1825, Engraving on paper, England, 1810-1842, Print, Print.
EditorialTraveling sundial and compass, Brass, steel, paper, leather, silk, Octagonal engraved brass disc on three feet; in center, sunk compass. On one side hinged, scrolled frame for missing pendulums. On other side, a hinged graded circle segment for setting...