拍品 70
70
An unusual nickel-plated brass sphygmograph-oscillometer,

细节
An unusual nickel-plated brass sphygmograph-oscillometer,
by G. Boulitte 15 à 21 Rue Bobillot, Paris, with armlet, accessories and instruction booklet, in fitted case 9½in. (24.1cm.) wide

See Illustration