A good set of Radiguet drawing instruments,, French, circa 1870

A good set of Radiguet drawing instruments, French, circa 1870,
the brass bound stained mahogany case with hinged lid opening to lid interior with silk lining lettered Radiguet Opticien, 15, Boult des Filles du Calvaire Paris, single lift-out tray fitted with various drawing instruments with compartment below with boxwood protractor and set of geometric shapes, 14 1/2in (37cm) wide