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Antique large school (demonstration apparatus) education vacuum pump glass sphere, ca. 1900.

With detachable hook (screw thread) to hang the vacuum glass sphere.

Signed on the glass: Thermax, made in Leerdam Holland 4 /.

Can be connected to an air pump and then be evacuated. This way the weight of the volume of air inside glass sphere can be measured.

In beautiful condition. 

Size:
Length excluding hook 28 cm
Length including hook 35 cm
Bowl diameter 20 cm

Excluding cork stand.

Europe

Education vacuum pump glass sphere - Brass, Glass - Early 20th century

Antiques

Reserve price

No reserve price

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Closing date

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Sweden

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Taiwan

Brand

Meissen

Porcelaine de Paris

Royal Copenhagen

Wedgwood

Goldscheider

Petrus Regout

Richard Ginori

Sarreguemines

Other brand

Ferdinand Barbediienne

Delft, Plateelbakkerij

Tichelaar Makkum

Baccarat

Epiag

Gien

Limoges

Vieux Paris

Christofle

Royal Dux Porzellan-Manufaktur

WMF / Geislingen

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Murano

Rosenthal

Object

Sculpture

Icon

Frame

Decorative ornament

Candleholder

Candlestick

Vase

Plate

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Jewellery box

Wall mirror

Mirror

Religious objects

Console table

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Inkwell

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Side table

Wall sconce

Country of origin

Netherlands

Russia

Czechia

Unknown

England

China

Israel

Ireland

Algeria

Japan

Material

Wood

Bronze

Brass

Porcelain

Marble

Glass

Walnut

Earthenware

Ceramic

Gilt bronze

Iron

Mahogany

Silver

Copper

Metal

Crystal

Textile

Spelter

Plaster

Silverplated

Patinated bronze

Wrought iron

Gilt brass

Gilt wood

Condition

Good condition - used with small signs of aging & blemishes

Good condition - used with small signs of ageing

Good condition

Excellent condition: barely used with minimal signs of wear

Fair condition -  heavily used & with possibly minor parts missing

Fair condition

Excellent condition

As new - unused

Good

Poor - heavily used with major cracks, damages or major parts missing

Needs restoration

Good condition, used with some signs of wear

Very good condition, see description

Very good

Very poor - showing significant decay, loss of original texture or solidity of the material

New or as new, unused with or without original packaging

Fair

Original

Good condition - used with some signs of wear

Excellent condition, barely used with minimal signs of wear

Unworn

Extras

No extra's

Without original box

with original box

Period

1850-1900

1800-1850

1900-1910

1920-1930

1910-1920

1750-1800

1930-1940

1940-1950

1950-1960

1700-1750

19th century

1650-1700

1600-1650

Late 19th century

Early 20th century

1960-1970

1970-1980

1980-1990

Second half 19th century

1901-1920

1990-2000

1550-1600

First half 20th century

Mid 19th century

18th century

Subject

Christ Pantocrator

Nicholas the Wonderworker

Feast day icon

George the Dragonslayer

Antiques

This object is no longer available, but there’s still lots to explore

Education vacuum pump glass sphere - Brass, Glass - Early 20th century

1769 objects

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Antiques

This object is no longer available, but there’s still lots to explore

Education vacuum pump glass sphere - Brass, Glass - Early 20th century

1769 objects

Related collections