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I’ve since learned that a hydrometer is used for measuring the relative density of liquids based on buoyancy: you pour liquid into a container
I'd guess it dates to the 1920s or so
and mounted rather crookedly (via tape in the top corners) to matte board
though leans a little to one side
Double-Sided Black and Black 19th Century Schoolgirl Cut Paper Designs it's wet I’ve since learned that aSince finding a spectacular entire album of late 19th century schoolgirl cut paper weavings, foldings, and yarn drawings recently, I've been on close watch for more of the like. This is one of three double sided cut paper designs I purchased from the same source certainly removed from one album which I am listing simultaneously, and do think would be really beautiful framed and hung together in a grouping (with the only challenge being which side of
US$ 18.99
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