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Teacher helping elementary students do science experiment in class
Old wooden coffee mill. On white
Independence Hall
Control device for lowering and lifting anchors on the ship's bridge.
Vintage photograph of Metallurgy Hall at the Exposition Universelle Paris, 1889, 19th Century
close up of a stirling engine construction with white table and white background
Old steam engine in the factory
The lamp on the table.
Pre-teen girl with long hair preparing to deal with her correspondence.
Vintage Old Coffee Grinder on White Background - Rustic Kitchen Appliance
A young nerd boy has a bright idea with copy space in front of a chalkboard. His lightbulb helmet helps him think of the next big idea.
Vintage illustration from a book of my private collection: \
Old steam pipe in a factory building
the photographic lens of a daguerreotype of the late 1800s
A decorative black hanging gas lantern with flame burning.
old manual coffee grinder isolated on a white background set
Old rusty iron valve in an abandoned factory.
Close up image of an early oscillating motor, circa mid 1800s. Isolated on white with clipping path. High quality photo
Antique cash register
Seung box in the hospital
Vintage film rewinding device in old movie theater.
Vintage photograph of Camille Flammarion, French astronomer, in his study in Paris, 1890s. Nicolas Camille Flammarion FRAS was a French astronomer and author. He was a prolific author of more than fifty titles, including popular science works about astronomy, several notable early science fiction novels
Four Turkish students and middle aged teacher at Istanbul secondary school, university, studying chemistry, Istanbul, Turkey. Nikon D3x High ISO
Close up, crop. A fragment of the observation telescope on the Eiffel Tower in Paris. Rainy day, gray sky on the background.
old coffee grinder to pulverize the beans and prepare the drink with drawer
Ontario, Canada.
Teenage students and teacher conduct science experiment in junior high school science classroom. Multi-ethnic group of students ages 13 to 16 years. Male, African descent teacher. Chemistry. Learning, studying.
Motor of the old-timer car
Free Images: "bestof:EdisonMSHouston.JPG en Thomas A Edison Middle School es Escuela Media Thomas A Edison vi Trung Học Thomas A Edison 2030-06-17 own WhisperToMe cc-zero Uploaded"
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