Sujet

Sigsbee Sounding Machine

Légende

Sigsbee Sounding Machine; invented by Charles D. Sigsbee and modified from Thomson Sounding Machine.. Here the sounding machine is used to set a Pillsbury current meter at a known depth

Date

1891

Crédit

Photo12/Ann Ronan Picture Library

Notre référence

ARP17A26_067

Licence

Droits gérés

Format disponible

60.0Mo (2.6Mo) / 33.2cm x 45.3cm / 3917 x 5354 (300dpi)

Mots clés

Sigsbee Sounding Machine Charles D. Sigsbee Pillsbury current meter research science taking readings American usa currents oceanography instruments 19th century End of 19th century