LABEL, a long, thin, brass rule, with a small sight at one end, and a hole at the other, commonly used with a tangent line on the edge of a circumferentor.
LABEL
article · 155 chars · lineage ↗ · page image at NLS ↗
article · 155 chars · lineage ↗ · page image at NLS ↗
LABEL, a long, thin, brass rule, with a small sight at one end, and a hole at the other, commonly used with a tangent line on the edge of a circumferentor.