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CONTENTdm, along with all of OCLC's services, will be down approximately 15 hours for a system upgrade. This will occur from 9:00pm PST on Friday, January 2, to around noon on Saturday, January 3.


Instrument used for measuring the scallops. The scallop is passed down the trianble until it touches on both sides, where the figures indicate its length in millimeters (25.4 millimeters to an inch). The instrument possesses the advantage of speed and accuracy for quick measuring, as many as 1,200 measurements being possible in an hour

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