Bidspirit auction | (2) SCIENTIFIC INSTRUMENTS: HYGROMETER &

(2) SCIENTIFIC INSTRUMENTS: HYGROMETER & ANEMOMETER - (1) Antique Anemometer, Davis Instrument Manufacturing Co., Baltimore, MD; brass with glass covered dial; leavy leather case; Dia.-4”; (1) PHNB Hygrometer with thermometer, velvet lined case; curved mercury thermometer; beveled glass; decorative pierced brass case; case is leather covered; some age toning to dial; some leather loss to case covering; case L-5”, overall G-VG