Dialektik der Natur

the long version

Introduction.--Dialectics.--Basic forms of motion.--The measure of motion--work.--Heat.--Electricity.--Dialectics of nature--notes.--Tidal friction, Kant and Thomson-Tait on the rotation of the earth and lunar attraction.--The part played by labour in the transition from ape to man.--Natural science and the spirit world [from a manuscript of Engels probably written in 1878, and first published in the "Illustrierter neue welt-kalender fèur das jahr 1898"]--Appendices: I. Notes to Anti-Dèuhring, hitherto unpublished in English. II. Source references (p. 329-370).--Bibliography (p. 371-375)--Index.