21
by Eight Seven
Published 1825
s.n
Subjects: ...Labor supply / Effect of technological innovations on...

23
by Hulbert, Charles
Published 1830
Printed for the author, and sold by Mr. Washbourne
Subjects: ...Labor supply / Effect of technological innovations on...

24
by Knight, Charles
Published 1831
C. Knight
Subjects: ...Labor supply / Effect of technological innovations on...

25
by Knight, Charles
Published 1831
C. Knight
Subjects: ...Labor supply / Effect of technological innovations on...

26
by Knight, Charles
Published 1831
C. Knight
Subjects: ...Labor supply / Effect of technological innovations on...

27
by Du Perron
Published 1768
Chez Aimé de La Roche
Subjects: ...Silk industry / Technological innovations / France...

28
by Thomé, C.-J.
Published 1762
De l'Imprimerie d'aime' Delaroche
Subjects: ...Sowing / Technological innovations / France...

30
by Sandilands, Robert
Published 1786
Sold by John Bell
Subjects: ...Agricultural implements / Technological innovations / Great Britain / History...

31
by Bramah, Joseph
Published 1785
Printed for the author, sold by R. Baldwin
Subjects: ...Locks and keys / Technological innovations / England...

32
by Du Perron
Published 1770
Chez les freres Cramer
Subjects: ...Silk industry / Technological innovations / France...

33
by Lewis, William
Published 1763
Printed by H. Baldwin, for the author, and sold by R. Willock
Subjects: ...Industrial arts / Great Britain / Technological innovations...

34
by Duhamel du Monceau
Published 1759
[Printed for J. Whiston [and 5 others]
Subjects: ...Agricultural implements / Technological innovations...

36
by Charmy, Philibert
Published 1785
Chez Faucheux
Subjects: ...Goldwork / Technological innovations / History / 18th century...

37
Published 1786
s.n
Subjects: ...Building materials / Technological innovations / Great Britain...

38
Published 1786
s.n
Subjects: ...Building materials / Technological innovations / Great Britain...

39
by Parmentier, Antoine Augustine
Published 1787
De l'Imprimerie des États de Languedoc
Subjects: ...Flour and feed trade / Technological innovations / France...