Hydraulic ram /
Inversin, Allen R.
Hydraulic ram / Allen Inversin ; illustrated by George R. Clark. - Arlington, Va. Volunteers in Technical Assistance, c1985. - 55 pages : illustrations ; 28 cm.
A Vita publication.
0866192433 (pbk.)
621.252
Hydraulic ram / Allen Inversin ; illustrated by George R. Clark. - Arlington, Va. Volunteers in Technical Assistance, c1985. - 55 pages : illustrations ; 28 cm.
A Vita publication.
0866192433 (pbk.)
621.252