ASTM C 266
This instrument is used for determining the time setting of hydraulic
cement.
Specification:
A base with a Vertical shaft and Two horizontal arms.
The lower arms is adjustable for height. 1 no. Initial needle 1/12-inch
dia. ¼ lb. Wt. 1 no. Final needle 1/24 inch dia. ¼ lb. Wt. 1 no. Glass
base plate. Complete as above.