Rwater determination type; glass, spec data, fed, dd-g-541b, type i, class a; 25 ml capacity; scale data, 0 to 25 ml range, 0.1 ml graduation interval from 0 to 1 ml, 0.2 ml graduation interval from 1 to 25 ml, numbered graduations, irregular and single scale, scale numbered, 0 to 1 ml, every tenth graduation, 1 to 25 ml, every fifth graduation; connection data, condenser end, glass joint connection, 24/40 standard taper female joint, flask end, glass joint connection, 24/40 standard taper male joint