Signedembossed on face of case, top center: RENSSELAER;
embossed on face of case, bottom center: KEUFFEL & ESSER CO., NEW YORK;
embossed on back of case, top center: RENSSELAER;
embossed on back of case, bottom center: KEUFFEL & ESSER CO., NEW YORK;
embossed on tape, face, near left end: TRADE K&E MARK;
embossed on tape, face, near left end: KEUFFEL & ESSER CO NEW YORK
Inscribedengraved on handle, facing out when folded: 100;
engraved on handle, facing out when unfolded: PAT. APPL' FOR
FunctionUsed to measure horizontal distances.
ProvenancePrivate Donor, Troy, NY, 2003.