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Funny little girl doing experiments in the laboratory. Explosion in the laboratory. Science and education.
The instrument consists of a glass tube of narrow bore, partially filled with some colored fluid which confines the air in the lobe, to which is blown a glass globe 3 to 4 inches in diameter, vintage
vector optical illusion, twisted abstraction, background of colored triangles
Experience - text illustration with social icons and tablet computer and mobile cellphones on cyan digital world map background
The mechanism of an arc lamp, series regulating the coil, parts are labelled, vintage line drawing or engraving illustration.

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