Search Results
-
Apparate für Molekulargewichts-Bestimmung
- Apparatus for Molecular Weight Determination
- 1902
Figure 1969 depicts an apparatus for determining boiling point, and figure 1970 shows an apparatus for determining molecular weight according to Beckmann, with tripod and movement device according to Gilson.
-
Apparate für Molekulargewichts-Bestimmung
- Apparatus for Molecular Weight Determination
- 1902
Figures 1966 and 1967 depict apparatuses for determining boiling point, according to Beckmann. Figure 1968 shows an apparatus for determining the freezing point with an electromagnetic resting device.
-
Configurations-Modelle; Sandbäder
- Configurations Models; Sandbaths
- 1902
Figures 2281 and 2282 depict models for chemical configuration, and figures 2283 and 2284 illustrate sandbaths.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
-
Destillations- und Rückflusskühler
- Distillation and Reflux Condenser
- 1902
Patented by A. Landsiedl.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
-
Gaserzeugungs-Apparat
- Gas Production Apparatus
- 1902
Alois Kreidl's apparatus consists of a water-pressure pump, which traverses a continuous stream of air through a mixture of light hydrocarbons.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments, Kreidl, Alois, 1857-1935
-
Gaswaage
- Gas Balance
- 1902
For ascertaining the density of gases.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
-
Kathetometer
- Cathetometer
- 1902
For readings of fine scale with barometer, thermometer, eudiometer, and gas measuring tubes.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments, Cathetometers
-
Kjeldahl's Methode [Method]
- 1902
Developed by Johan Kjeldahl in 1883, the method is used for the determination of nitrogen and carbon in organic compounds from the oxidation of substances like sulfuric acid. The apparatus shown in figure 1606 is…
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
-
Kühler
- Condensers
- 1902
Figures 1732 and 1733 depict Storch condensers, and figure 1734 shows a Walther condenser.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments, Condensers (Steam), Condensers (Vapors and gases)
-
Luftpumpen
- Air Pumps
- 1902
Figures 1858 and 1859 depict pumps where the tap control is either operated by hand or is a self-acting control. The two-stage pump in figure 1860 is outfitted with Babinet's cock, and is suitable for faster working.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
-
Luftpumpen
- Air Pumps
- 1902
Piston air pumps according to Gay-Lussac.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
-
Massanalytischer Apparate
- 1902
Device for the determination of sulfur dioxide in sulfuric acid gas from Alois Kreidl in Prague.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
-
Massanalytischer Apparate
- 1902
Apparatus for the continuous testing of feedwater for sugar content with alpha-naphthol.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
-
Massanalytischer Apparate
- 1902
Saturation apparatus.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
-
Massanalytischer Apparate
- 1902
Apparatus according to Hodek for the rapid determination of the lime content of juices in sugar factories.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
-
Moor-Untersuchungs-Apparate
- 1902
Apparatus for the determination of free humic acid in a bog.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Soils--Humic acid content, Scientific apparatus and instruments
-
Motor
- 1902
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments, Motors
-
Oefen
- Furnaces
- 1902
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments, Furnaces
-
2 items
Portrait of Johannes Wislicenus
- Circa 1902
Portrait of Johannes Wislicenus (1835-1902). Wislicenus was a German organic chemist, known for his work in stereochemistry. He was a professor at the University of Zürich, the Swiss Polytechnical Institute, the…
-
Retorten
- Retorts
- 1902
Glass and copper retorts. The one depicted in figure 2245 is made of heavy glass for brown coal distillation.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Gas-retorts, Scientific apparatus and instruments
-
Spektroskop
- Spectroscope
- 1902
Made by Hans Heele, Berlin, Germany.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments, Spectroscope
-
Vacuum-Apparate
- Vacuum Apparatus
- 1902
With metal boiler and distillation unit.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
-
Vacuum-Apparate
- Vacuum Apparatus
- 1902
With porcelain bowls of 1-2 and 5-6 liter capacities and water air pump with check valve.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
-
Vacuum-Trockenapparat
- Vacuum Drying Apparatus
- 1902
Figure 2560 depicts a vacuum drying apparatus for explosive substances, and figure 2561 show a vacuum drying oven made of wrought iron with lead sealing rings.
- Contributor Marpmann, Georg Friedrich Adolf, 1849-1911
- Publisher Schimmelwitz, P.
- Subject Scientific apparatus and instruments
-
2 items
Letter from Wilhelm Ostwald to Georg Bredig, February 1904
- 1904-Feb-02
Wilhelm Ostwald (1853-1932), a pioneer in physical chemistry and the winner of the 1909 Nobel Prize for Chemistry, apologizes that he categorized Georg Bredig's (1868-1944) recent essay on catalysis as a report instead…
- Addressee Bredig, Georg, 1868-1944
- Author Ostwald, Wilhelm, 1853-1932
- Subject Ostwald, Wilhelm, 1853-1932, Bredig, Georg, 1868-1944, Catalysis, Science publishing
