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,…

Image 5594: "Apparatus for the simultaneous electrolytical decomposition of water, hydrochloric acid and ammonia."

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.…

4235. Battery, so-called "Crowfoot".
4237. Battery, Leclanche.
4238. Battery, Dipping.
4240. Battery, Type "S" Cell.

4591. Burner, "Vulcan Stove".
4599. Burner, Bunsen, with attachment for holding flasks.

Various distilling apparatus: Axtell's, Krafft & Noerdlinger's, Muencke's, Bruehl's.

Electrostatic induction device with plates and electrodes.

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.

Devices converting chemical reactions to electric energy.

From Manufacturing Chemists' Association Catalog for Standard Laboratory Apparatus, Part 1.

Nitrometers, reaction bulb and compensating tube.

From Manufacturing Chemists' Association Catalog for Standard Laboratory Apparatus, Part 1.

Nitrometer, general assembly of parts.

From Manufacturing Chemists' Association Catalog for Standard Laboratory Apparatus, Part 1.

Nitrometer Hooks.

From Manufacturing Chemists' Association Catalog for Standard Laboratory Apparatus, Part 1.

Nitrometer attachments: reservoir bulb, manifold, and support used on universal tube.

From Manufacturing Chemists' Association Catalog for Standard Laboratory Apparatus, Part 1.

DuPont Nitrometer. Used to measure and collect nitrogen from a chemical reaction.

From Manufacturing Chemists' Association Catalog for Standard Laboratory Apparatus, Part 1.

Mohr Pipettes. Invented by Karl Friedrich Mohr.

From Manufacturing Chemists' Association Catalog for Standard Laboratory Apparatus, Part 1.

Burette No. 4. Burette with bulb and 3 way stopcock, 0-75 ml bulb capacity, 75-100 graduated in 1/10th ml.

From Manufacturing Chemists' Association Catalog for Standard Laboratory Apparatus, Part 1.

Burette No. 1. Burette with funnel top, 50 ml in 1/10 ml.

From Manufacturing Chemists' Association Catalog for Standard Laboratory Apparatus, Part 1.

Volumetric Flasks. Flat bottom, glass-stoppered and unstoppered.

From Manufacturing Chemists' Association Catalog for Standard Laboratory Apparatus, Part 1.

200 ml. Distillation Flask. Round bottom. Largely used in the distillation of aromatic hydrocarbons and other organic chemical…

From Manufacturing Chemists' Association Catalog for Standard Laboratory Apparatus, Part 1.

Burette No. 3. Burette with bulb and 3 way stopcock. 0-50 ml bulb capacity, 50-100 ml graduated in 1/10th ml.

From Manufacturing Chemists' Association Catalog for Standard Laboratory Apparatus, Part 1.

Burette No. 2. Burette with 3 way stopcock. 50 ml graduated in 1/10th ml.

General view of the Research Laboratory at the Althouse Chemical Company plant in Reading, Pennsylvania showing various equipment and apparatus used for the production and testing of dyestuffs.

Based in Reading,…

General view of the Research Laboratory at the Althouse Chemical Company plant in Reading, Pennsylvania showing various equipment and apparatus used for the production and testing of dyestuffs.

Based in Reading,…

"The instrument is designed after suggestions from Prof. D. B. Brace, for whom a number of these instruments were built."

"For studying the reflection, refraction, absorption and polarization of radiant heat."