Bowles stethoscope American, by Pillings, in original oak case with trade label, chest piece stamped ' Bowles patent June 25 (19)01 directly taking two tubes; sphygmotensiphone French, early to mid 20th century, by Spengler, Paris, outfit comprising cuff with aneroid sphygmomanometer and stethoscope in zip case; with a sphygmomanometer with art deco chrome pressure dial signed 'Progress Hako', with stethoscope in zip case,