308. Brass stair/square gauges






309. This one was marked "body iron", used for doing bodywork on cars.







310. Pencil sharpener






311. Cobbler's/leatherworker's punch






312. Impossible stack sculpture






313. This tool is for cleaning the narrow flame slot in the old ceramic burner tips in gas chandeliers.


From an 1894 edition catalog:



314. Curta mechanical calculator





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