Glass bottle, flat on all sides with rounded corner edges. At about 3.5 ins. from the bottom, the bottle tapers inward to about .875-inch diameter neck with a .5-inch opening at top. One side is calibrated for '02' (1,2) with marks for .5-ozs up to 2.5 ozs. The other side marked for "20, 40, 60 cc." up to 70. "2." on bottom. "3" in relief at top back of bottle.