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Hofmann's apparatus for decomposing phosphuretted hydrogen

Hofmann's apparatus for decomposing phosphuretted hydrogen

1876
Gas cap demonstrator, coal mining

Gas cap demonstrator, coal mining

Hofmann's lecture-room eudiometer (U tube on stand)

Hofmann's lecture-room eudiometer (U tube on stand)

1876
Gas cap demonstrator

Gas cap demonstrator

Apparatus to show the parallelogram of forces

Apparatus to show the parallelogram of forces

1800-1850
Apparatus to show the parallelogram of forces

Apparatus to show the parallelogram of forces

1800-1850
Hofmann's apparatus for showing synthesis of water

Hofmann's apparatus for showing synthesis of water

1876
Hofmann's apparatus for showing synthesis of water

Hofmann's apparatus for showing synthesis of water

1876
Valve Gear Demonstration Apparatus

Valve Gear Demonstration Apparatus

1900
Hofmann's apparatus for decomposing phosphuretted hydrogen

Hofmann's apparatus for decomposing phosphuretted hydrogen

1876
Inclined plane demonstration apparatus

Inclined plane demonstration apparatus

1920
Apparatus to show the parallelogram of forces

Apparatus to show the parallelogram of forces

1800-1850
Windmill demonstration apparatus, 19th century

Windmill demonstration apparatus, 19th century

Melloni's apparatus by Elliott Bros., London, England, 1888. Comprising cast iron bed with three sliding uprights and one upright with radial arm carrying two sliding pillars and a counterweight, plus various accessory apparatus: Locatelli's lamp and reflector, spirit lamp with cover on sliding base, reflector with hook and platinum spiral for heat source, thermopile with double cone and with two caps, line thermopile, plain screen, hinged screen, screen with aperture disc, double screen, black mirror, Leslie's cube with holder, copper hood heat source, two plates of rock salt in glass container, glass cell, angled mica plates in fixed mount, angled mica plates in rotatable mount, mica plates fixed perpendicular to the radiation in rotatable mount, mica plates in frame for varying angle of incliation to the radiation, wooden clamp, and wooden table.

Melloni's apparatus for demonstrating properties of infrared radiation

1888
Apparatus to demonstrate liquefaction of CO2

Apparatus to demonstrate liquefaction of CO2

1900-1982
Hofmann's apparatus for shewing the synthesis of water (U tube on stand). Part 1 is the metal stand.

Hofmann's apparatus for showing synthesis of water

1876
Hofmann's lecture-room eudiometer (U tube on stand), by Julius Schober, Berlin, Germany, 1876. Part 1 is the metal stand.

Hofmann's lecture-room eudiometer (U tube on stand)

1876
Hofmann's lecture-room eudiometer (U tube on stand), by Julius Schober, Berlin, Germany, 1876. Part 2 is the glass double beaker.

Hofmann's lecture-room eudiometer (U tube on stand)

1876
Hofmann's apparatus for decomposing phosphuretted hydrogen (U tube with stopcock and holders for electrodes on stand). Part 1 is the metal stand.

Hofmann's apparatus for decomposing phosphuretted hydrogen

1876
Model of corn mill

Model of a corn mill, 1753.

1753
Hofmann's apparatus for shewing the synthesis of water (U tube on stand). Part 2 is the glass beaker.

Hofmann's apparatus for showing synthesis of water

1876
Hofmann's apparatus for shewing the synthesis of water (U tube on stand). Part 1 is the metal stand.

Hofmann's apparatus for showing synthesis of water

1876
Hofmann's apparatus for shewing the synthesis of water (U tube on stand). Part 2 is the glass tube.

Hofmann's apparatus for showing synthesis of water

1876
Hofmann's apparatus for decomposing phosphuretted hydrogen (U tube with stopcock and holders for electrodes on stand). Part 2 is the double glass beaker.

Hofmann's apparatus for decomposing phosphuretted hydrogen

1876
Gas cap demonstrator, wooden housing only.

Gas cap demonstrator

Ray optics demonstration apparatus consisting of a white semi-circular board fitted with a lamp housing on a rotating arm and clips for condenser lens, aperture plate, and paper, with a drawer containing (1) aperture plate with single narrow slit, (2) aperture plate with three slits, (3) aperture plate with single broad slit, (4) clamp for optical components, (5) convex cylindrical lens, (6) concave cylindrical lens, (7) plane mirror, ( 8) mirror holder, and (9) wooden support block

Ray optics demonstration apparatus

1900-1980
Gas cap demonstrator, bedward type, coal mining use, from Agecroft Colliery.

Gas cap demonstrator, coal mining

Locomotive valve gear demonstration chassis, made by G. Cussons, c.1910.

Locomotive valve gear demonstration chassis

1910
Demonstration model of electrical friction machine

Demonstration model of electrical friction machine

1954