Infusorial Earth, DIATOM EARTH, KIESELGUHR, a siliceous deposit formed chiefly of the frustates of Diatoms (q.v.). It is used as Tripoli Powder for polishing purposes, and as an absorbent of nitro-glycerine in making Dynamite (q.v.).
Infusorial Earth, DIATOM EARTH, KIESELGUHR,
Chambers's Encyclopaedia, Volume 6: Humber to Malta, p. 141
Source scan(s): p. 0152