Chemin de fer statique et ses immenses avantages sur la construction des chemins de fer actuels / The static railroad and its immense advantage over the construction of present railroad lines - Adam Idzkowski [1798-1879], Paris 1857, f. 16.5 x 24.5cm, p. 31, f. plates 2 [fold-out diagrams], French language
original publisher's booklet cover preserved, local rust spots, otherwise good condition