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Keywords: acidic

Historical Items

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Item 104255

Medicinal recipe for Phthisis Pulmonalis, Hallowell, 1802

Contributed by: Maine Historical Society Date: 1802-10-19 Location: Hallowell; Mt. Vernon Media: Ink on paper

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Item 10035

Nadeau Lake lime deposit, 1925

Contributed by: Nylander Museum Date: 1925 Location: Fort Fairfield; Fort Fairfield Media: Photographic print

Item 31121

Eastern Manufacturing Company, Lincoln, 1920

Contributed by: Lincoln Historical Society Date: 1920-10-13 Location: Lincoln Media: Photographic print

Online Exhibits

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Exhibit

Sugar and Spice: Our Vintage Recipes

Sugar and Spice: Our Vintage Recipes showcases historic recipes, dating from the 18th century to the 1950s, like sweet treats, traditional favorites, promotional printings, medicinal concoctions, curious libations, and recipes that have fallen out of favor.

Exhibit

Art of the People: Folk Art in Maine

For many different reasons people saved and carefully preserved the objects in this exhibit. Eventually, along with the memories they hold, the objects were passed to the Maine Historical Society. Object and memory, serve as a powerful way to explore history and to connect to the lives of people in the past.

Exhibit

CODE RED: Climate, Justice & Natural History Collections

Explore topics around climate change by reuniting collections from one of the nation's earliest natural history museums, the Portland Society of Natural History. The exhibition focuses on how museums collect, and the role of humans in creating changes in society, climate, and biodiversity.

Site Pages

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Site Page

Presque Isle: The Star City - Dairy Farms Memories - Page 2 of 2

"The men would put acids in the milk samples to see how much butterfat was in the milk. Then they would multiply the amount of butter fat by the…"

Site Page

Lubec, Maine - A Signature Quilt

"Tannic acid in early inks caused deterioration in cellulose fibers. However the ink remains subject to fading."

Site Page

Scarborough: They Called It Owascoag - A Look Inside the Classroom Over Time - Page 3 of 4

"… the country, it was made of lampblack or tannic acid from oak trees mixed with light oil. Ink could also be made from swamp maple bark and copperas."

My Maine Stories

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Story

Warming Oceans
by David Reidmiller, Gulf of Maine Research Institute

The rate of warming in the Gulf of Maine is faster than that of more than 95% of the world’s oceans