Science and technology

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Science and technology

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Science and technology

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Science and technology

32 Archival description results for Science and technology

32 results directly related Exclude narrower terms

Milk and dairy

Lantern slides used for teaching agriculture at Belleville Collegiate Institute and Vocational School, Belleville, Ontario, in the 1920s.

These slides were distributed by Scott & Van Altena of 6 East 39th St., New York, for the Educational Department of the De Laval Separator Company.

De Laval Separator Company

Rotary Hobby Show 1969

File contains c.1969 newspaper clips on the science fair and hobby show featuring Mrs. I.R.Goyer and candy ceramics, the c.1969 “telephone pioneers of America”, and other misc. newspaper clips on various attractions and events.

Sewage Disposal - 1899

The file contains a photocopy of a newspaper article dated 25 January 1899 from the Evening News of Toronto; titled "Sewage Problem Has Been Solved". The article is about an important discovery by the City Surveyor of Exeter, in England on the purification of sewage.

Intelligencer

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