Kidega-Kilama, R.R.O. A rotary valve for lift pump / by R.R.O. Kidega-Kilama. - Kampala , 1978. - vii, 132 p. : ill. ; 30 cm. Final year project report (B.Sc. Mech. Eng.) - Makerere University, 1978 Includes bibliographical references. Subjects--Topical Terms: Pumps. Dewey Class. No.: 621.84