You Searched For
Start Over You searched for: Date 1920 to 1929 Remove constraint Date: <span class="from" data-blrl-begin="1920">1920</span> to <span class="to" data-blrl-end="1929">1929</span>-
Manual breast pump with black bulb
- After 1920 – before 1959
Glass tube with a collecting reservoir that opens into a funnel (or breast piece). Round black rubber pump attached to one end of the glass.
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"Omega" manual breast reliever with red bulb
- After 1920 – before 1959
Glass tube with a collecting reservoir that opens into a funnel (or breast piece). Round red rubber bulb attached to one end of the glass. Stamp in black ink on red bulb reads "Ingram's/'Omega'/London."
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Hand-crank Centrifuge, Babcock Milk Tester
- After 1900 – before 1950
A metal, hand-crank centrifuge with a three-pronged metal base. The base is painted a rusty red color and has been attached to a wooden board for stability. A long metal crank on the side of the base bends at a…
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Mortar and Pestles
- After 1868 – before 1944
Two sets of mortar and pestles belonging to Georg Bredig (1868-1944). The larger is made of white porcelain and the smaller is made from agate. Mortar and pestles are used to manually grind or crush a sample into a fine…
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3M 51S
Hercules Powder Company tree stump handling in Brunswick, Georgia
- 1920 – 1940
Silent footage of Hercules Powder Company processing tree stumps at their Brunswick, Georgia plant for use in their cellulose products. Footage shows stumps being removed from railroad cars by crane and dropped into…
- Creator Of Work Hercules Powder Company
- Subject Cellulose industry, Hercules Powder Company, Chemical industry, Naval stores industry, Cranes, derricks, etc., Machinery
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18M 23S
Hercules Powder Company Woods Camp pine stump gathering
- 1920 – 1940
Silent footage of tree stump removal being done by Hercules Powder Company at an unknown location, likely in the southeastern United States. These stumps were removed using machinery and then transferred to a Hercules…
- Creator Of Work Hercules Powder Company
- Subject Hercules Powder Company, Cellulose industry, Tree stump removal, Machinery
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The Glaxo Feeder 8oz nursing bottle in original box
- 1900 – 1930
Banana-shaped bottle design enabled ease of cleaning, making this bottle widely known as the hygienic baby bottle.
A: Boat-shaped molded glass bottle. Embossed on one side of bottle are measurements in tablespoons;…
- Manufacturer Glaxo Laboratories
- Subject Infants--Care, Glassware
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47 items
Set of Postcards depicting the Welsbach Factory in Gloucester, New Jersey
- 1890 – 1930
This set of postcards depicts the scenes from the Welsbach Incandescent Gas Lighting Company factory at Gloucester, New Jersey. Originally a set of 46 postcards, this collection is missing cards number 20 and 31. The…
- Contributor Welsbach Gas Light Company
- Subject Welsbach Gas Light Company, Employees, Incandescent gas-lighting, Incandescent gas-lighting--Fixtures, Lighting, Rare earth industry, Auer v. Welsbach, Carl (Auer von Welsbach), 1858-1929, Women employees, Rare earths, Machinery in the workplace, Machinery
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6 items
No. 4 Inverted Mantle with No. 8 Magnesia Ring
- 1890 – 1930
Unused Welsbach No. 4 Inverted Mantle and No. 8 Magnesia Ring in its original cardboard box from Lindsay Light and Chemical Company.
The Welsbach gas mantle is a device made of fibers impregnated with oxides of cerium…
- Creator Of Work Welsbach Gas Light Company
- Contributor Auer v. Welsbach, Carl (Auer von Welsbach), 1858-1929
- Subject Lighting--Equipment and supplies, Incandescent lamps, Auer v. Welsbach, Carl (Auer von Welsbach), 1858-1929, Gas-lighting, Incandescent gas-lighting, Rare earth industry, Welsbach Gas Light Company, Rare earths
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55 items
Welsbach Gas Light Company photograph album
- 1920s
Album containing 52 black and white photographs documenting various aspects of the production process at the Welsbach Gas Light Company site located along the Delaware River in Gloucester City, New Jersey. From 1888 to…
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Unidentified woman in laboratory
- 1920s
General view of an unidentified woman, presumably a laboratory assistant, posed near a work bench with assorted scientific apparatus and glassware visible in the background. While the setting of this photograph is also…
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Unidentified woman in laboratory
- 1920s
General view of an unidentified woman, presumably a laboratory assistant, posed near a work bench with assorted scientific apparatus and glassware visible in the background. While the setting of this photograph is also…
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Unidentified woman in laboratory
- 1920s
General view of an unidentified woman, presumably a laboratory assistant, posed near a work bench with assorted scientific apparatus and glassware visible in the background. While the setting of this photograph is also…
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Unidentified woman in laboratory
- 1920s
General view of an unidentified woman, presumably a laboratory assistant, posed near a work bench with assorted scientific apparatus and glassware visible in the background. Notably, the photograph is printed as a…
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Unidentified man in laboratory
- 1920s
General view of an unidentified man, presumably a laboratory assistant, seated at a work bench with assorted scientific equipment and glassware. While the setting of this photograph is also unidentified, the photo was…
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Unidentified man in laboratory
- 1920s
General view of an unidentified man, presumably a laboratory assistant, posed near a work bench with assorted scientific apparatus and glassware visible in the background. While the setting of this photograph is also…
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Laboratory bench attributed to U.S. Bureau of Standards
- 1920s
General view of a laboratory bench with assorted glassware and scientific apparatus. Notably, the photograph is printed as a postcard, with space reserved on the verso for a message, mailing address, and postage. While…
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Laboratory assistant at mixed acid work bench
- 1920s
General view of a laboratory assistant, identified as "Mac May," posed at a work bench for mixed acid materials. Notably, the photograph is printed as a postcard, with space reserved on the verso for a message, mailing…
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Laboratory assistant at mixed acid work bench
- 1920s
General view of a laboratory assistant, identified as "Mac May," posed at a work bench for mixed acid materials. Notably, the photograph is printed as a postcard, with space reserved on the verso for a message, mailing…
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8 items
Klett Bio Colorimeter
- 1929
Klett Bio Colorimeter, a device used in colorimetry to measure the absorbance of particular wavelengths of light by a specific solution. Colorimeters are commonly used to determine the concentration of a known solute in…
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Employee using titration apparatus at Dearborn laboratory facility
- 1920s
General view of an unidentified employee at work in the Dearborn Chemical Company's 35th Street Laboratory facility and manufacturing plant. A variety of titration equipment and other scientific apparatus are visible on…
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Employee at work in Dearborn laboratory facility
- 1920s
General view of employee Al Herman analyzing an unidentified substance at the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. Assorted scientific apparatus and laboratory glassware…
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20 items
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2 items
Type C medium-sized research microscope
- 1927 – 1928
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,…
- Manufacturer Ernst Leitz (Firm)
- Subject Microscopes, Ernst Leitz (Firm), Scientific apparatus and instruments
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Repair shop at the Fixed Nitrogen Research Laboratory
- Circa 1928
General view of the repair shop at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory showing assorted machinery and apparatus.
The Fixed Nitrogen Research Laboratory (F.N.R.L.) was established at…