Wonderful Old Brass Ruler with Hand-Engraved Numbers lattice tray The purpose of a “tip

The purpose of a “tip up” is to suspend bait at a set depth

I am pretty certain it is copper

all a little different

maybe five

Wonderful Old Brass Ruler with Hand-Engraved Numbers lattice tray The purpose of a “tipSuch a treat to find this wonderful old brass ruler yesterday in New Hampshire, with the numbers engraved by hand, perfectly imperfect. The ruler is divided into eights, with one circle at the inch marks, and three at the half inch. I asked a keen and knowledgeable friend about it, who believes it is machinist's rulerthey would often make their own measuring tools (like ladies legs calipers!) so that they could be customized for the specific device