Scots pine or pinus silvestris, botanical vintage engraving - Vintage Nostalgia
Scots pine or pinus silvestris, botanical vintage engraving

Scots pine or pinus silvestris is an evergreen coniferous tree and grows up to 35mt. in height. Its lifespan is normally 150–300 years, leaves are green-blue needles, fruits are yellow-brown cones.

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Caricature: world egg production in 1911 - Vintage Nostalgia
Caricature: world egg production in 1911

Caricature: egg production and egg consumers in year 1911

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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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Chemical composition of water - Vintage Nostalgia
Chemical composition of water

Why make it simple when complicated is funnier? This contraption was meant to prove the exact chemical composition of water. In the two bottles on the left hydrogen was produced by oxidizing the zinc bits on the bottom of bottle … Continued

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Chemistry:  producing detonating gas - Vintage Nostalgia
Chemistry: producing detonating gas

Producing oxyhydrogen, the detonating gas. The external cylinder was filled with acidulated water (H2SO4). In the internal cylinder the current flowing through the platinum electrodes dissociated the surrounding water in hydrogen and oxygen, that were collected together by the tiny … Continued

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Chemistry: electrolysis - Vintage Nostalgia
Chemistry: electrolysis

When the electrolysis was still a child…The funnel and the two single-mouthed cylinders were initially filled with slightly acidulated water (a small amount of sulphuric acid). In each cylinder was set a platinum electrode. As the contraption was connected to … Continued

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Botanical illustration: Scots pine - Vintage Nostalgia
Botanical illustration: Scots pine

Antique print describing the botanical morphology of Scots pine (pinus sylvestris) : evergreen coniferous tree grows up to 35mt. in height. Its lifespan is normally 150–300 years. The leaves are green-blue needles, the fruits are yellow-brown cones.

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