Dev, R. Workshop calculation and science: for draughtsman civil, draughtsman mechanical surveyor and building constructor/ R. Dev, R.P. Kumar and K.C. Narang - New Delhi: New Heights, [19-?] - [ca. 500 p.]; 21 cm. ISBN: Rs. 25.75 Subjects--Topical Terms: workshopsMensurationMetalsElectricityHeatFriction Dewey Class. No.: 621.75