Rumford photometer or shadow photometer, vintage ingraving - Vintage Nostalgia
Rumford photometer or shadow photometer, vintage ingraving

Rumford photometer or shadow photometer invented by Sir Benjamin Thompson, Count Rumford, is an instrument which measures the intensity of light comparing different light sources.

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Chemistry: vapor density determination - Vintage Nostalgia
Chemistry: vapor density determination

Lab equipment for vapor density determination. Vapor density is the density of a vapour in relation to that of hydrogen. It may be defined as mass of a certain volume of a substance divided by mass of same volume of … Continued

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Chemistry equipment, hydrometer - Vintage Nostalgia
Chemistry equipment, hydrometer

hydrometer is an instrument used to measure the relative density of liquids as the ratio of the density of the liquid to the density of water

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Chemistry, water and carbon dioxyde measuring device - Vintage Nostalgia
Chemistry, water and carbon dioxyde measuring device

Vintage chemistry lab, device to measure the amount of water and carbon dioxyde produced by burning organic materials

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