Bates Saccharimeter

Description
This instrument is marked "No. 883 / HALF SHADE POLARISCOPE / WITH / VARIABLE BRIGHTNESS / U.S. BUREAU OF STANDARDS TYPE ACCORDING TO BATES / FRIC’S U.S. PATENT FEB. 12, 1907 / MADE BY JOSEF & JAN FRIC / PRAGUE BOHEMIA"
The National Bureau of Standards was established in 1901 and given responsibility for standardizing the saccharimeters and other instruments used to assess the quality of sugar coming into the United States. Frederick Bates joined the Bureau in 1903. In 1907 he described a quartz compensating polariscope with adjustable sensibility which allowed observers to admit only as much light as was needed and thus preserve as much accuracy as possible. Bates asked J. & J. Fric of Bohemia to manufacture instruments of this sort for the U.S. Customs Service. The agency transferred this example to the Smithsonian in 1999.
Ref: F. Bates, “A Quartz Compensating Polariscope with Adjustable Sensibility,” Bulletin of the Bureau of Standards 4 (1907): 461-466.
F. Bates, “Remarks on the Quartz Compensating Polariscope with Adjustable Sensibility,” Bulletin of the Bureau of Standards 5 (1908): 193-198.
E. H. Sargent & Co., Price List No. 25. Scientific Laboratory Apparatus and Bacteriological Supplies (Chicago, 1922), p. 371.
Location
Currently not on view
maker
J. & J. Fric
place made
Česká Republika: Středočeský, Prague
Measurements
overall: 43.3 cm x 20.5 cm x 61 cm; 17 1/16 in x 8 1/16 in x 24 in
overall: 17 in x 8 in x 24 in; 43.18 cm x 20.32 cm x 60.96 cm
ID Number
1999.0029.01
catalog number
1999.0029.01
accession number
1999.0029
Credit Line
U.S. Customs Service
subject
Optics
Sugar
National Bureau of Standards
See more items in
Medicine and Science: Physical Sciences
Measuring & Mapping
Saccharimeters
Data Source
National Museum of American History, Kenneth E. Behring Center

Comments

"Hello, I believe I have a No. 883 Saccharimeter, however it is only marked with - J&J Fric-Praha 2708, E.H Sargent & CO, Chicago - USA and Czechoslovakia on the base. would you be able to tell me where to find the Patenet number if it is on it? Also I can't seem to find a picture of it anywhere online? could you help? Thank You"
"Hi Mark,I have just added a picture of the object to its online record. It should be live by tomorrow morning. The patent information on our object is on a plaque affixed to the base. I hope this is helpful.Best,Mallory, Division of Medicine and Science"

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