Lesbian rule
Lesbian rule is a ruler or stylistic device.
Overview
Catalogue entries for instruments state maker, signature, completeness and working condition. VALÉORINE records this subject so that lots referring to it can be described consistently.
In detail
flexible mason's rule made of lead that could be bent to the curves of a molding, and used to measure or reproduce irregular curves
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Lesbian rule”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q6530265: Lesbian rule
Consult the source