Scannell Apparatus for Transfusion of Whole BloodMacGregor Instrument CompanyMiller, Robert“The Scannell Apparatus for Transfusion of Whole Blood”, as furnished by the MacGregor Instrument Company. Housed in a mahogany case, this set contains a pair of blue-colored glass syringes, several types of needles, tubing, and a connecting valve. A small pamphlet is also included.still image