A 19th-Century thermometer,

细节
A 19th-Century thermometer,
mounted on an ivory plaque stamped C.W. DIXEY OPTICIAN TO THE QUEEN 3. NEW BOND STRT. LONDON, with lacquered-brass mounts and contained in the original plush and silk-lined red morroco case, with suspension loop and two brass hooks and eyes -- 6in. (15.l2cm.) long

See Illustration