Vintage Machinist Leader Test Indicator Detroit Leader Tool Company in Box

This is a Vintage Machinist Leader Test Indicator Detroit Leader Tool Company in Original Box Test Indicator is in nice condition with some tarnish on the top that we did not try to clean as will let buyer do it properly On front is printed: Leader Tool Co Detroit Mich Pat No 7668857 On back is printed: Made in Switzerland Box has tape on both ends as pictured and has printed Leader Test Indicator Sold Exclusively By The Leader Tool Co with an address in Highland Park and another in Detroit Very early item