NEEDLE APPARATUS ASTM-C191
This instrument is used for determining the time setting of hydraulic cement.Specifications: - A base with a vertical shaft and two horizontal arms. The lower arm is adjustable for height. 1 No. Initial Needle 1/12 inch dia 1 /4 lb. Wt. 1 No. Final Needle 1/12 inch dia. 1lb.wt 1No. Glass base plate. Complete as above.
BELLSTONE HI-TECH INTERNATIONAL