Instruments & Innovation

Illustration of an apparatus used to manufacture soda water.

Illustration depicting the manufacture of seltzer or soda water by use of a wheel to force gas into bottled water.

Figure 20 from the 1915 volume The Rare Earth Industry depicting a machine for trimming upright mantles, a component of incandescent gas lanterns. The volume details various industrial applications of rare earths and…

General view of a research laboratory for resinous products at the Rohm and Haas Company home office located at West Washington Square in Philadelphia.

The Rohm and Haas Company was founded in 1907 in Esslingen,…

General view of the Resin Research Laboratory at the Rohm and Haas Company home office located at West Washington Square in Philadelphia.

The Rohm and Haas Company was founded in 1907 in Esslingen, Germany through the…

This type C medium-sized research microscope was manufactured by Ernst Leitz of Wetzlar, Germany. Featuring a black enamel horseshoe-shaped base and arm, this microscope also includes a reflecting mirror, eye piece,…

American Optical Corporation Sixty student model monocular microscope features American Optical Spencer objective lenses.

American Optical Corporation was a successor to the Spencer Lens Company, founded by Charles…

Catalog of laboratory instruments for the physical sciences. "Both our own manufacture and that of reliable foreign makers. Especially adapted for use in universities and colleges." Index starts on page 175.

Modern reproduction of the first electric battery invented by Alessandro Volta in 1800. Base and top are wooden. Between the base and top rests a stack or pile of 46 copper-zinc cells. Electrodes used to tranfer the…

General view of Dearborn Chemical Company employee E.P. Fager comparing the color of two solutions during a water sample field test. Assorted glassware and a Dearborn portable testing cabinet are visible on the table.…

General view of the main room at the Dearborn Drug and Chemical Works (later Dearborn Chemical Company) 35th Street laboratory facilities located in Chicago, Illinois, with view of assorted glassware and scientific…

General view of a section of the main room at the Dearborn Drug and Chemical Works (later Dearborn Chemical Company) 35th Street laboratory facilities located in Chicago, Illinois, with view of assorted glassware and…

General view of a section of the main room at the Dearborn Drug and Chemical Works (later Dearborn Chemical Company) 35th Street laboratory facilities located in Chicago, Illinois, with view of assorted glassware and…

General view of a section of the main room at the Dearborn Drug and Chemical Works (later Dearborn Chemical Company) 35th Street laboratory facilities located in Chicago, Illinois, with view of assorted glassware and…

General view of a portion of the Dearborn Drug and Chemical Works (later Dearborn Chemical Company) 35th Street laboratory facilities located in Chicago, Illinois, with view of furnaces, assorted balances, and…

Elevated view of employees Charles S. White (left) and Andrew Lombardi (right) at work in the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. Per notations accompanying the…

General view of employees (left to right) Ray Shoan, Charles S. White, Andrew Lombardi, and Bernard Tarley conducting water analysis tests at the Dearborn Chemical Company's 35th Street laboratory and manufacturing…

General view of several employees at work in the Dearborn Chemical Company's 35th Street laboratory and manufacturing facility located in Chicago, Illinois. The three employees visible in the foreground are identified…

General view of employee James Nelson at work in the Dearborn Chemical Company's 35th Street Laboratory facility and manufacturing plant. An assortment of beakers and laboratory apparatus are visible on the work bench.…

General view of employee Charles S. White analyzing unidentified substances at the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. Assorted scientific apparatus and laboratory…

General view of employee Anton H.R. Noreen preparing samples for testing at the Dearborn Chemical Company's 35th Street laboratory and manufacturing facility located in Chicago, Illinois. Founded in 1887, the Dearborn…

General view of employee Anton H.R. Noreen conducting an analysis of coal samples at the Dearborn Chemical Company's 35th Street laboratory and manufacturing facility located in Chicago, Illinois. Founded in 1887, the…

General view of employee Al Slisg conducting a water analysis test at the Dearborn Chemical Company's 35th Street laboratory and manufacturing facility located in Chicago, Illinois. Founded in 1887, the Dearborn…

General view of employee Anton H.R. Noreen at work at the Dearborn Chemical Company's 35th Street laboratory and manufacturing facility, with view of the laboratory work bench, assorted glassware, and scientific…

General view of several employees conducting water analysis tests at the Dearborn Chemical Company's 35th Street laboratory and manufacturing facility located in Chicago, Illinois. The three employees visible in the…