Wickramasinghe, T.P.; Ranatunga, E.M.; Abeywickrama, S.S.
(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-22)
A simple automated device has been designed and constructed in order to
release a certain mass of small seeds or powdered materials. The device uses
a screwed axel rotating inside U shaped tube, which is fixed to the ...