Also 7 laperkin, 9 ? latherkin (Simmonds, 1858). A glaziers tool used in making lead-lights (see quot. 1825).
1688. R. Holme, Armoury, III. 384/1. In this square are three Glasiers Tools; the first is termed a Laperkin. It is a short piece of Wood made streight on one edge [etc.] . With this, being a kind of Ruler he [the Workman] cuts Quarries of any Size.
1825. J. Nicholson, Operat. Mechanic, 638. The latterkin is a piece of hard wood pointed, to run in the groove of the lead, and widen it for the easier reception of the glass.
1859. Gwilt, Encycl. Archit. (ed. 4), 586.