Celestial table globe - Lesson materials - 1960-1970, 1970-1980
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Two vintage plastic chemical school models of ethylene, produced in Europe in the 1960s–1980s by Scan-Globe A/S under Replogle license, with a diameter of 30 cm and dimensions 40 cm by 30 cm by 30 cm, in good used condition with minor signs of age and spots.
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Description from the seller
vintage chemical school model of ethylene (ethene), made of plastic.
This type of educational model was produced from the 1960s in the former Czechoslovakia to visually explain the molecular structure and the electron density of gases in the classroom.
* The double bond: The red, central part in the middle symbolizes the double bond between the two carbon atoms (C=C).
* The hydrogen atoms: The smaller spheres on the sides represent the hydrogen atoms (H).
* The electron clouds: The large, yellow transparent plastic cylinders (or capsules) around depict the so-called π-bonds (electron clouds) that lie above and below the plane of the molecule.
Globe:
* Manufacturer: Produced by the well-known Danish brand Scan-Globe A/S.
* Collaboration: Made under license from the American Replogle Chicago Corporation.
* Print: The cartographic work was printed in 1975 by Esselte Map Service in Stockholm.
* Language: This is an official Dutch-language edition for the Dutch/Belgian market.
* Size: The sphere has a diameter of 30 centimeters.
The items are in good used condition with signs of age and wear,
the photos are part of the description, please view carefully before bidding
Colors and shades may differ in the photos
These items are carefully packaged and insured shipped via PostNL
vintage chemical school model of ethylene (ethene), made of plastic.
This type of educational model was produced from the 1960s in the former Czechoslovakia to visually explain the molecular structure and the electron density of gases in the classroom.
* The double bond: The red, central part in the middle symbolizes the double bond between the two carbon atoms (C=C).
* The hydrogen atoms: The smaller spheres on the sides represent the hydrogen atoms (H).
* The electron clouds: The large, yellow transparent plastic cylinders (or capsules) around depict the so-called π-bonds (electron clouds) that lie above and below the plane of the molecule.
Globe:
* Manufacturer: Produced by the well-known Danish brand Scan-Globe A/S.
* Collaboration: Made under license from the American Replogle Chicago Corporation.
* Print: The cartographic work was printed in 1975 by Esselte Map Service in Stockholm.
* Language: This is an official Dutch-language edition for the Dutch/Belgian market.
* Size: The sphere has a diameter of 30 centimeters.
The items are in good used condition with signs of age and wear,
the photos are part of the description, please view carefully before bidding
Colors and shades may differ in the photos
These items are carefully packaged and insured shipped via PostNL
Details
Era
1900-2000
Type
Celestial table globe
Title additional information
Lesson materials
Number of objects
2
Material
Plastic
Country of origin
Europe
Style
Vintage
Condition
Good condition - used with small signs of aging & blemishes
Height
40 cm
Width
30 cm
Depth
30 cm
Estimated period
1960-1970, 1970-1980
