As a public health precaution due to COVID-19, all Smithsonian museums and the National Zoo are temporarily closed. We are not announcing a reopening date at this time and will provide updates on our website and social media.

Zeiss Ikon Polytest

Zeiss Ikon Polytest

<< >>
Usage conditions apply
The Zeiss Ikon Polytest, widely available by the early 1960s, was described as a compact, portable and durable instrument suitable for high-speed water analyses by color comparison. The inscription on this example reads "ZEISS / IKON / POLYTEST / Made in Germany / Chlorator / 130760."
Currently not on view
Object Name
Color Comparator
place made
drum: 92 mm; x 3 5/8 in
base: 14.5 cm x 10.5 cm; 5 11/16 in x 4 1/8 in
overall: 21 cm; 8 1/4 in
overall: 8 1/4 in x 4 1/4 in x 5 5/8 in; 20.955 cm x 10.795 cm x 14.2875 cm
ID Number
catalog number
accession number
Credit Line
Gift of Nicholas Grossman
See more items in
Medicine and Science: Chemistry
Data Source
National Museum of American History
Nominate this object for photography.   

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.

Note: Comment submission on our collection pages is temporarily unavailable. Please check back soon!

If you have a question or require a personal response, please visit our FAQ or contact page.