Developing in darkroom, engraving XIX century - Vintage Nostalgia
Developing in darkroom, engraving XIX century

Photographer working in a darkroom, processing light sensitive photographic materials for print

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Engraving XIX century, prepared  microscope ready to use - Vintage Nostalgia
Engraving XIX century, prepared microscope ready to use

Microscope ready to use with pinions to focus the lens over the glass and steel arm-rests attached to the sides of the stage for comfort

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Seibert microscope, vintage engraving - Vintage Nostalgia
Seibert microscope, vintage engraving

Description of a Seibert microscope, vintage engraving XIX century

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Optical spectrometer or spectroscope, vintage engraving XIX century - Vintage Nostalgia
Optical spectrometer or spectroscope, vintage engraving XIX century

Spectroscope, instrument measuring light property over the electromagnetic spectrum in order to detect and identify materials

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Binocular and quadriocular microscope, XIX century - Vintage Nostalgia
Binocular and quadriocular microscope, XIX century

Laboratory equipment at end XIX century, Binocular and quadriocular microscope

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Compound microscope, vintage engraving XIX century - Vintage Nostalgia
Compound microscope, vintage engraving XIX century

Compound microscope uses a lens close to the object being viewed to collect light and focuses a real image of the object inside the microscope. That image is then magnified by a second lens( eyepiece) that gives the viewer an … Continued

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Chemistry lab of Altdorf University in 18th century - Vintage Nostalgia
Chemistry lab of Altdorf University in 18th century

Chemistry laboratory at Altdorf University near Nuremberg, XVIII century vintage engraving

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Chemistry:  burning hydrogen produces pure water - Vintage Nostalgia
Chemistry: burning hydrogen produces pure water

How to prove that burning hydrogen produces pure water as “ash”. In the left-hand bottle bits of zinc are oxidised by a diluted sulphuric acid being poured in; the resulting hydrogen is collected through the second neck and exiccated in … Continued

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Chemistry: how to obtain hydrogen at room temperature - Vintage Nostalgia
Chemistry: how to obtain hydrogen at room temperature

An easy way to obtain hydrogen at room temperature. Bits of zinc were put on the bottom of a bottle; an 1:8 sulphuric acid solution was poured through the primary neck thus binding the water oxygen as zinc oxide, and … Continued

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Chemistry:  obtain hydrogen by dissociating water - Vintage Nostalgia
Chemistry: obtain hydrogen by dissociating water

A device to obtain hydrogen by dissociating water over glowing iron: the hot iron used the water oxygen to form an iron oxyde thus leaving the hydrogen free. An iron pipe filled with iron shavings was heated up in a … Continued

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Chemistry: how to obtain hydrogen from water - Vintage Nostalgia
Chemistry: how to obtain hydrogen from water

A simple and effective method to obtain hydrogen from water: some metals such as potassium and sodium bind eagerly the oxygen of water even at room temperature thus releasing the corresponding hydrogen, which is collected in a closed cylinder filled … Continued

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Chemistry: extracting oxygen from potassium chlorate - Vintage Nostalgia
Chemistry: extracting oxygen from potassium chlorate

A simple device to extract oxygen from potassium chlorate. The potassium chlorate was heated in a flask and the resulting gas was collected in a closed cylinder immersed in water, where the water acted as a sealant to prevent air … Continued

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