Section 410. Oath of Machine Inspectors.--The following shall be the form of the oath to be taken by each machine inspector:
"I (John Doe) do swear (or affirm) that I will as a machine inspector attend the ensuing election (or primary) during the continuance thereof, that I will in all things truly and faithfully perform my duty respecting the same to the best of my judgment and ability; and that I am not directly or indirectly interested in any bet or wager on the result of this election (or primary)."