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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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, wood distillation - Vintage Nostalgia
Chemistry, wood distillation

Combustion of biomass with Woulff bottle to prevent pressure buildup.

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Chemistry, experiment with heat - Vintage Nostalgia
Chemistry, experiment with heat

Heating an empty bottle over a tallow candle: condensation drops form on the cold glass surface

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Chemistry, Woulff bottles to channel gases through liquids - Vintage Nostalgia
Chemistry, Woulff bottles to channel gases through liquids

A set of Woulff bottles, commonly used to prevent liquids from entering vacuum pumps, or to channel gases through liquids, trapping hazardous substances and preventing pressure buildup.

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Bakery – margarine preparation, margarine wash machine and separation of starch flour from bakery dough with water - Vintage Nostalgia
Bakery – margarine preparation, margarine wash machine and separation of starch flour from bakery dough with water

Illustration describing bakery procedures for margarine and starch production from dough separation

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Chemistry: collection of gas over water - Vintage Nostalgia
Chemistry: collection of gas over water

A gas-developing reaction takes place in a heated glass tube and the gas is collected in a container filled with water and inverted in a reservoir of water. As the gas is created, it will displace water from the bottle.

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