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| We timed this trip to take advantage of a free birthday lunch at Shady Maple Smorgasbord (Lancaster County, PA) |
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| Nittany Lion Shrine at Pennsylvania State University |
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| First there were canaries to test for the presence of carbon monoxide in mines, then this carbon monoxide detector (1920s, by Mine Safety Appliances); note the glass vial attached to the actual tester |
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| The glass vials contained holomite, a compound that turns blue when exposed to carbon monoxide; it is also highly corrosive and damaged the case |
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| The many colors of fluorite, caused by impurities in the otherwise, transparent and colorless mineral |
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| Penn State colors are Blue & White, thus a collection of blue and white minerals: top row: sodalite, aragonite and gypsum, and bottom corners: opal and chrysocolla |
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| There was an extensive display on sustainability, including how to reduce your fashion carbon footprint |
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| Which would you choose? A reusable albeit plastic water bottle or daily disposable water bottles? |
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| Yes, there was an art galley, the Steidle Collection of Industrial Art including Sand and Gravel Works (1936, by Sylvio Carl Regutti) |
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| Tree Fern Fossil |
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| Owens Dust Collector measures the number of particulates in airborne dust, and is used to measure air quality |
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| Miner's soft cap with a Gardner & Richards "Little Gem" teapot lamp. which could not have produced much light |
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| Part of an LGBTQ+ display, the minerals of the Pride Flag (before 2017): corundum, quartz, sulfur, dioptase, azurite, and amethyst |
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| Fluorescent minerals under shortwave ultraviolet light |
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| A dense meteorite requires a lot of slag to balance its weight |
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| Vase made with a three-dimensional printer |

















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