Search Results
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Instruments for measuring radioactivity
- 1913
B 2282. Electrometer for radioactive measurements.
B 2285. Fontactoscope, an electroscope for measuring the radioactivity of water and gases.
B 2300. Electrometer with internal amber insulation. -
Apparatuses for determining boiling point elevation and freezing point depression
- 1913
B 2106. Precision apparatus for determining freezing point depression.
B 2107. For determining freezing point depression for clinical purposes.
B 2108. For determining freezing point depression for very small… -
Equipment for water distillation and general laboratory work
- 1913
B 185. Combination water distillation unit with drying cabinet and sand bath for gas heating.
Also pictured are evaporating flask and dishes made of glass and metal.
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Respiration apparatus
- 1913
Portable universal respiration apparatus, according to specifications from Professor Francis Gano Benedict.
- Creator Of Work Vereinigte Fabriken für Laboratoriumsbedarf (Berlin)
- Subject Benedict, Francis Gano, 1870-1957, Chemical laboratories--Equipment and supplies, Scientific apparatus and instruments, Biological laboratories--Equipment and supplies, Artificial respiration--Equipment and supplies, Chemical apparatus
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Water distillation apparatuses
- 1913
B 181. Automatic, for gas heating, coal or wood firing.
B 183. Fully automatic, with copper interior and steam heating.- Creator Of Work Vereinigte Fabriken für Laboratoriumsbedarf (Berlin)
- Subject Distillation apparatus, Chemical laboratories--Equipment and supplies, Scientific apparatus and instruments, Biological laboratories--Equipment and supplies, Chemical apparatus, Water--Purification--Distillation process, Water
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Portrait of Arthur Dehon Little (1863-1935)
- Circa 1910
Portrait of Arthur Dehon Little (1863-1935), a pioneer of chemical engineering practice and principles who helped establish chemical engineering as a separate profession with a distinct approach and training method.
A…
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Chemistry students in laboratory, circa 1910
- Circa 1910
Photograph depicting male and female chemistry students in a laboratory at an unidentified school or college. The students are grouped around several laboratory stations and are seen using test tubes and Bunsen burners…
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Portrait of Jokichi Takamine (1854-1922)
- Circa 1910
Portrait of Japanese chemist Jokichi Takamine (1854-1922). The son of a doctor, Takamine graduated from the College of Science and Engineering of the Imperial University of Tokyo in 1879 and, with support from the…
- Manufacturer Alman & Co.
- Subject Chemical engineering, Enzymes, Takamine, Jokichi, 1854-1922, Hormones, Chemists, Portraits, Biochemistry, Asian American scientists, Scientists
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Various potash bulbs
- 1910s – circa
Glass bulbs when filled with a potassium hydroxide solution are used for the absorption of carbon dioxide in chemical analysis. Types of potash bulbs depicted here include: Geissler's, Geissler-Wetzel's, Alvergnat's,…
- Creator Of Work Emil Greiner Company
- Subject Scientific apparatus and instruments, Chemical apparatus
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Lecture apparatus
- 1910s – circa
Image 5594: "Apparatus for the simultaneous electrolytical decomposition of water, hydrochloric acid and ammonia."
- Creator Of Work Emil Greiner Company
- Subject Scientific apparatus and instruments, Chemical apparatus
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Absorption apparatus
- 1910s – circa
Various apparatus and pipettes for absorption and determination of gases.
5273. For estimation of methane, with platinum spiral.
5274. For determination of oxygen by the exact method.
5280. Palladium Tube.
5282.…- Creator Of Work Emil Greiner Company
- Subject Scientific apparatus and instruments, Pipettes, Chemical apparatus
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Various batteries
- 1910s – circa
4235. Battery, so-called "Crowfoot".
4237. Battery, Leclanche.
4238. Battery, Dipping.
4240. Battery, Type "S" Cell.- Creator Of Work Emil Greiner Company
- Subject Scientific apparatus and instruments, Electric batteries, Chemical apparatus
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Various gas burners
- 1910s – circa
4591. Burner, "Vulcan Stove".
4599. Burner, Bunsen, with attachment for holding flasks.- Creator Of Work Emil Greiner Company
- Subject Bunsen burner, Scientific apparatus and instruments, Gas-burners, Chemical apparatus
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Various distilling apparatus
- 1910s – circa
Various distilling apparatus: Axtell's, Krafft & Noerdlinger's, Muencke's, Bruehl's.
- Creator Of Work Emil Greiner Company
- Subject Distillation apparatus, Scientific apparatus and instruments, Chemical apparatus
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Toepler-Holtz electrical machine
- 1910s – circa
Electrostatic induction device with plates and electrodes.
- Creator Of Work Emil Greiner Company
- Subject Scientific apparatus and instruments, Chemical apparatus
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Various distilling apparatus
- 1910s – circa
4880a. For purifying mercury, U. S. Weather Bureau pattern.
4881. With central condenser, suitable for nitrogen, alcohol etc.
4882. For the recovery of volatile solvents used in extraction.- Creator Of Work Emil Greiner Company
- Subject Distillation apparatus, Scientific apparatus and instruments, Chemical apparatus
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Galvanic batteries
- 1910s – circa
Devices converting chemical reactions to electric energy.
- Creator Of Work Emil Greiner Company
- Subject Scientific apparatus and instruments, Electric batteries, Chemical apparatus
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Brace Spectrophotometer
- 1911
"The instrument is designed after suggestions from Prof. D. B. Brace, for whom a number of these instruments were built."
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Melloni's Apparatus
- 1911
"For studying the reflection, refraction, absorption and polarization of radiant heat."
- Creator Of Work Wm. Gaertner & Company
- Subject Scientific apparatus and instruments, Laboratories--Equipment and supplies, Measuring instruments
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Spectrometers with Polarizing Attachment and Camera Attachment
- 1911
Top figure is a laboratory spectrometer with a polarizing attachment. Lower figure is a spectrometer with a third arm and camera attachment.
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Ives Duplex Diffraction Spectroscope
- 1911
"This spectroscope will show the first order of spectrum all at once across the field of the eyepiece."
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Heliostats
- 1911
Top figure is a Foucault heliostat, which reflects the rays of the sun in a horizontal direction. Bottom figure is a two-mirror heliostat, where the second mirror allows the path of the light beam to be thrown in any…
- Creator Of Work Wm. Gaertner & Company
- Subject Scientific apparatus and instruments, Heliostat, Laboratories--Equipment and supplies, Measuring instruments
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Littrow Spectroscope
- 1911
"The collimators and observing telescopes have apertures of 50mm., and focus by rack and pinion. Two 60 degree prisms of heavy flint glass and of 70mm. side are furnished with the instrument. The mirror may be used in…
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Small Comparator
- 1911
An "instrument intended for measuring spectra photographs, gratings, divided scales, or such objects which can be focused by the microscope and will allow rapid measurements of the highest possible accuracy." The design…
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Portrait of Isaac Ott (1847-1916)
- Circa 1910
Portrait of Isaac Ott (1847-1916). Ott was born in Northampton County, Pennsylvania on November 30, 1847 and graduated from Lafayette College (class of 1867). Ott went onto study medicine at the University of…