Tangrams, lot of seventeen items
(1) 11 sets with stone, cardboard or wooden pieces, all ca. 1900. 7 w. orig. booklet and 2 in orig. box, incl. 6 by F. Ad. Richter & Co. Var. signs of use/ dam. (2) Two manuscr. books w. tangram solutions and variants, in ink. Entrees dated between 1925-53. 380; 170 p. Incl. over a thousand tangram solutions and an index. Some p. with annotations. (3) Het boek der tangrams. Erven de Wed. J. van Nelle, 1931. 12 p., orig. wr. -and 3 others.
(total 17)