This German 1st/2nd degree tracing board has three tools at the bottom. The one on the right is perhaps a pickaxe (?). And what is that thing in the middle? (And plumb and a ‘horn‘?)
Feddersen (Die Arbeitstafel in der Freimaurerei Band I (1982) D/42, p. 376), “newer” first and second degree of the Grand Lodge “Zu Den Drei Weltkugeln”. Artist and year unknown.