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Image information
Image captionSliding Rod Gas Measure.
Creator (Inventor) Hare, Robert , 1781 - 1858
Image Type Print (Wood engraving)
Image Date 1827
Size 9 x 16 cm.
Call number Smith 540 H226 P125
Notes From description of image, p.125: "The construction of this instrument differs from that of my sliding rod eudiometers, in having a valve which is opened and shut by a spring and lever, acting upon a rod passing through a collar of leathers. ...This instrument is much larger than the sliding rod eudiometers for explosive mixtures...."
Apparatus in the image (See Glossary)
Apparatus Name Function
Publishig information
TitleA Compendium of the Course of Chemical Instruction in the Medical Department of the University of Pennsylvania.
PublisherJ.G. Auner; Carey, Lea & Carey
Imprint Date1827
Location in Bookopp.p.125