Richards Steam Engine Indicator, ca 1864

Chicago citation style
Elliott Brothers. Richards Steam Engine Indicator, ca 1864. 1864. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_849782&repo=DPLA. (Accessed November 17, 2018.)
APA citation style
Elliott Brothers, (1864) Richards Steam Engine Indicator, ca 1864. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_849782&repo=DPLA
MLA citation style
Elliott Brothers. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_849782&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.