Driehoeken, RP-T-1994-154-52(R), Reijer Stolk, between 1906 and 1945

Identification title(s): triangles. Object type: sketchbook sheet object number: rp-t-1994-154-52(r). Inscriptions / marks: annotation, handwritten in pencil: '[. . ]', calculations. Description: sheet 52 recto from a sketchbook with 53 sheets. Manufacture. Manufacturer: draftsman: reijer stolk. Dating: 1906 - 1945. Physical characteristics: pencil. Material: paper pencil. Subject: what: triangle (~ planimetry, geometry). Credit line: donation from mr p. Stolk, the hague. Acquisition: donation 1994. Date: between 1906 and 1945.