Search Results
-
2 items
Plastic Bayer Aspirin Bottle, 100 Tablet Size
- 1910 – 2007
- 1985
Plastic Bayer aspirin bottle, 100 tablet size, reads "Genuine Bayer Aspirin, Micro-Thin Coating".
- Contributor Sterling Drug
- Manufacturer Bayer Company, Inc.
- Subject Sterling Drug, Drugs, Medicine bottles, Bayer Company, Inc., Aspirin
-
3 items
Bausch & Lomb Abbe Refractometer Serial No. 380
- 1919 – 1926
A: Refractometer
Instrument has round cast iron base; on the base is a rectangular glass mirror mounted to allow rotation; a single black pillar supports the prism alidade, the black cylindrical telescope viewer, and…- Manufacturer Bausch & Lomb Optical Company
- Subject Bausch & Lomb Optical Company, Refractometers, Optics
-
Alchemist in Green Using Bellows
- Circa 1928 – 1965
An alchemist wearing a green robe uses a pair of bellows to control the heat of the fire beneath his crucible. Other vessels sit on the furnace at his side, and to his left a large still-head for distillation rests over…
- After Teniers, David, 1610-1690
- Subject Teniers, David, 1610-1690, Alchemy, Alchemy in art
-
Fixed Nitrogen Research Laboratory personnel
- 1925-Nov-06
Group photograph of Fixed Nitrogen Research Laboratory personnel posed outside an unidentified facility. The Fixed Nitrogen Research Laboratory (F.N.R.L.) was established at American University in 1919 under the…
-
Technician with Fixed Nitrogen Research Laboratory apparatus
- 1920s
General view of an unidentified analytical apparatus and technician at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. The Fixed Nitrogen Research Laboratory…
-
3 items
U.S. Department of Agriculture buildings
- 1920s
Three exterior views of unidentified buildings believed to be associated with the U.S. Department of Agriculture.
-
Exhibit concerning fertilizer values
- Circa 1926
U.S. Department of Agriculture exhibition display concerning fertilizer values as determined by per cent of plant food. The display includes several photographs of a range of agricultural crops, including wheat, cotton,…
-
Mr. Merz using apparatus to determine the hygroscopicity of fertilizer materials
- Circa 1928
General view of Mr. Merz using an apparatus to determine the hygroscopicity of fertilizer materials and mixtures at the the Arlington Experimental Farm in Arlington, Virginia. Established by an act of Congress in April…
-
Dick Adams using apparatus to determine the hygroscopicity of fertilizer materials
- Circa 1928
General view of Dick Adams using an apparatus to determine the hygroscopicity of fertilizer materials and mixtures at the the Arlington Experimental Farm in Arlington, Virginia. Established by an act of Congress in…
-
Exterior view of the Fixed Nitrogen Research Laboratory
- 1926-Apr
General view of the exterior of the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory facility located at American University near Washington, D.C. The Fixed Nitrogen Research Laboratory (F.N.R.L.) was…
-
-
Your child is defenseless unless Fly-Tox kills moths, flies, roaches, ants, mosquitoes, fleas, etc.
- 1925
Color print magazine advertisement for Fly-Tox. Depicts a young white child asleep holding a Black toy doll. This ad appeared in the Ladies' Home Journal, July 1925.
- Subject DDT (Insecticide), Insecticides, Toxins
-
Do roaches spread cancer? Tanglefoot Spray
- 1926-Apr-10
Color print magazine advertisement for Tanglefoot Fly Spray. The advertisement notably details the parasitic theory of cancer propagated by Dr. Louis Westenra Sambon (1867-1931) to advocate for the use of pesticides…
- Subject Diseases, Pesticides, DDT (Insecticide), Tanglefoot Company, Cancer, Insecticides, Toxins
-
25 items
Naphtol AS on Rayon
- 1927
Sample book for Naphtol AS dyes, used for "embroidery purposes, for effects in silk, woollen and cotton clothes, for curtains, underwear made of artificial silk, etc." Contains dyeing instructions and 70 mounted dyed…
-
Portrait of Samuel Cox Hooker (1865-1935)
- 1920s – circa
Portrait of Samuel Cox Hooker (1865-1935). Hooker was born on April 19, 1865, in Benchley, Kent, England and studied at the Government Science School in South Kensington, London. Hooker earned his PhD from the…
-
Results of an experiment to determine if corn can use ammonia nitrogen
- 1927-Jul-26
General view of culture samples used for an experiment to determine if corn growing under sterile conditions can use ammonia nitrogen. This experiment was conducted at the U.S. Department of Agriculture's Fixed Nitrogen…
-
2 items
Dr. F.E. Allison studying the fixation of nitrogen by bacteria
- 1926-Apr
Two views of Dr. F.E. Allison studying the fixation of nitrogen by bacteria at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C.
The Fixed Nitrogen Research Laboratory…
-
2 items
Apparatus for oxidizing ammonia
- 1926-Apr
Two views of an apparatus used to oxidize ammonia with pure oxygen using bed catalysts at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. The individual visible in the…
-
2 items
Exterior view of the Fixed Nitrogen Research Laboratory
- 1926-Apr
Two views of the exterior of the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory facility located at American University near Washington, D.C. The Fixed Nitrogen Research Laboratory (F.N.R.L.) was…
-
2 items
Apparatus used to oxidize ammonia
- Circa 1928
Two views of an apparatus used to oxidize ammonia at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C.
The Fixed Nitrogen Research Laboratory (F.N.R.L.) was established…
-
2 items
Dr. E.D. Crittenden with apparatus for testing of catalysts
- 1926-Apr
Two views of Dr. E.D. Crittenden with an apparatus used at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory to test catalysts at 1 to 100 atmospheres of pressure. Key components of the apparatus…
-
2 items
C.A. Black with apparatus for measuring the solubility of methane
- 1926-Apr
Two views of Mr. C.A. Black with an apparatus used to measure the solubility of methane in hydrocarbons under high pressures at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in…
-
2 items
J.E. Reuter at work in instrument shop at Fixed Nitrogen Research Laboratory
- 1926-Apr
Two views of J.E. Reuter at work in the instrument shop at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory showing assorted machinery and tools.
The Fixed Nitrogen Research Laboratory…
-
2 items
J.E. Reuter at work in instrument shop at Fixed Nitrogen Research Laboratory
- 1926-Apr
Two views of J.E. Reuter at work in the instrument shop at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory showing assorted machinery and tools.
The Fixed Nitrogen Research Laboratory…
-
2 items
Apparatus for determining the hygroscopicity of fertilizer materials
- Circa 1928
Two views of an apparatus used to determine the hygroscopicity of fertilizer materials and mixtures at the the Arlington Experimental Farm in Arlington, Virginia. The individual visible in the first photograph is…