whatever might happen , it seemed certain that the lamp would be separated from the watchman and his wife , whose family it looked upon as its own . the lamp had first been hung up on the very evening that the watchman , then a robust young man , had entered upon the duties of his office . ah , well ! it was a very long time since one became a lamp and the other a watchman . his wife had some little pride in those days ; she condescended to glance at the lamp only when she passed by in the evening -- never in the daytime . but in later years , when all of them -- the watchman , the wife , and the lamp -- had grown old , she had attended to it , cleaning it and keeping it supplied with oil . the old people were thoroughly honest ; they had never cheated the lamp of a single drop of the oil provided for it .
oil .
what did the watchman's wife use to clean the streetlamp ?
what did the watchman's wife use to clean the streetlamp ?