Show service and ill A very intelligent captain of a told me lie hail fur bevera year employed an engineer in whom he reposed the entire cou flik and whom lie found on eveia occasion perfectly competent to ahe discharge of liia dumica it happened on one occasion that ahe engineer made some remark chich led him to ask the question what anaki a au engine go the roan replied at once that ho never knew aud never could understand it al ho knew the parts anil could by ahe sound of the tel iu an instant the nature and etaco of adyr regularity and alio in it should be reclined |