Abstract
In this article, the status, pedagogical functions, and evolution of compass-and-straightedge constructions in the secondary schools of Prussian Poland are examined. Focusing on the provinces of West Prussia and the Province of Posen, it traces the early and sustained integration of synthetic tasks into final examinations — from Elbing’s 1799 locus-asymptote problem to 20th c. exercises, such as Bromberg’s 1904 task of constructing a parallelogram given the sum of the squares of two adjacent sides, the included angle and the length of the opposite diagonal. In West Prussia, teacher-authors F. Buchner, F. Strehlke, W.A. Förstemann, O. Reichel, K. Güßlaff, O. Herweg, and F. Kronke shaped classroom practice and examinations through graded problem collections and the fusion of planimetry with descriptive geometry. In the Province of Posen, synthetic tasks appeared with some regularity in final examinations from the late 1860s onward, supported, among other factors, by J. Schacht’s Raumlehre programme and methodological contributions by W. Jaehnike, R. Heffter, and H. Kiehl. Compliance with ministerial decrees and those of the Provinzialschulkollegium ensured that Abitur papers faithfully mirrored classroom instruction. By 1914, candidates in both provinces were expected to execute and justify constructions of triangles, quadrilaterals, selected loci and conics, illustrating how grassroots innovation and examination-driven feedback harmonised curricular standards across regions.
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