Karl had been at Bethel for about seven years when he was assigned to the circuit work for a few months to gain added experience. Afterward he became an instructor at Gilead School.
Kad Karls bija pavadījis Bētelē aptuveni septiņus gadus, uz dažiem mēnešiem viņu norīkoja veikt ceļojošā pārrauga darbu, lai viņš varētu gūt lielāku pieredzi.