His book is wonderfully revealing of the sources of his art, which developed the Tramp from the foot-in-the-cuspidor antics of the early two-reelers to the intense tragicomic .
The unhappy War Department pointed out that the cuspidor mats were to be used in hospitals, had been ordered as a routine refill by the San Antonio Quartermaster Depot.
A long table, two incredibly battered desks, a telephone booth and a chipped enamel cuspidor make up its office equipment.