[Cars. Movable books] J. Clairmont. Das Automobil.

Ein zerlegbares Modell zum Zwecke der Selbstbelehrung und für den Unterricht an gewerblichen Fachschulen. Berlin-Grunewald, Pestalozzi, n.d. (1921), title, 6 text.-p. numb. in columns and index of 103 parts for the very detailed movable col. lithogr. plate with a total of 14 fold-away cut out layers, orig. printed boards, obl. sm. folio (sm. defects to boards).

The fragile plate is in very good condition. From the series "Pestalozzi-Modelle", series T. Nr. 21. The car used for this instruction-book is the "30 PS. Type "Phaëton" der Protos-Automobile G.m.b.fj., Siemenstadt (Berlin)". The Protos firm was founded in 1898 and was sold to AEG in 1926.