Children of the Lens by E.E. 'Doc' Smith

[samvara]

What a dureum-inlaid glove, driven by all the brawn of Kimball Kinnison's mighty right arm and powerful torso backed by all the momentum of body- and armor-mass, will do to a human head met in direct central impact is nothing to detail here. Simply, that head splashed. Pivoting nimbly, considering his encumbering armor, he swung a terrific leg.

See! Terrific.