with scales in both metric and U.S. customary units.
deliver. Sizes 8 fluid drams (25 mL approx.) and larger are designed from ASTM
Specification E1094, Type 2 requirements (also NBS Handbook 44).
Sizes 4 fluid
drams (15 mL), and smaller do not meet ASTM E1094 nor NBS Handbook 44
requirements and therefore may not be used for prescription work in states
which adopt these specifications.