This is a Rare Vintage Central Scientific Two String Diatonic Scale Sonometer. This has both diatonic scale and equally tempered scale. The scales are marked by note (A-G), the frequency of each note and also in centimeters. It is in very good used vintage condition. It is 43 inches long, 5-1/2 inches wide and 4-1/2 inches tall and weighs about 8 pounds. 

Shipping is available through USPS, UPS, FedEx, or our 3rd party freight partner, Prince Freight, LLC, based in Wood Dale, IL. 

Prince Freight offers fully licensed, insured, and enclosed transportation across the US for just about any item we sell or you can find elsewhere from auctions to online sellers to storefronts. Please reach out to us or them directly for quote if interested BEFORE purchasing the item - shipping costs are to be handled, booked, and paid directly to Prince Freight.  

Otherwise, shipping is handled through us and shipped via USPS, UPS, or FedEx. 

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