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Deoxidizing flame, vintage engraved illustration. Industrial encyclopedia E.-O. Lami - 1875.
Coronavirus COVID-19 outbreak concept, health threatening virus, background waving national flag of Canada. Pandemic stop Novel Coronavirus outbreak covid-19 3D illustration.
Diagram showing root structure of a plant illustration
Siphon float and constant flow of Heron of Alexandria, vintage engraved illustration. Magasin Pittoresque 1847.
Workshop torch, vintage engraved illustration. Magasin Pittoresque 1861.
A representation of a shunt. In electricity, the shunt is a conductor placed between two points in closed circuit, vintage line drawing or engraving illustration.
Saacke apparatus, vintage engraved illustration. Industrial encyclopedia E.-O. Lami - 1875.

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