B63-566. CAST IRON LEVEL. Davis & Cook No. 25. Sometimes known as the pretzel or pinwheel style, the 12" version with ogee ends. All cast iron D&Cs are uncommon but the 12" ones are genuinely rare. This one has intact vial assemblies with minimal rust, japanning 50%, all corners intact. There's a height adjustment at one end that we've never seen before; we'd like to tell you it is a very rare variant but an ingenious user modification is more likely. From the collection of Pat Gefre. Good+ 300-600