[13] See note on the preceding page.
[14] Der Torf, etc., S. 43.
[15] See page 00.
[16] On account of the great convenience of the decimal weights and measures, and their nearly universal recognition by scientific men, we have adopted them here. The gramme = 15 grains; 5 degrees centigrade = 9 degrees Fahrenheit.
[17] Pliny, Hist. Nat. (Lib. XVI, 1) expresses his pity for the "miserable people" living in East Friesland and vicinity in his day, who "dug out with the hands a moor earth, which, dried more by wind than sun, they used for preparing their food and warming their bodies:" captum manibus lutum ventis magis quam sole siccantis, terra cibos et rigentia septembrione viscera sua urunt.
As regards the "misera gens," it should be said that rich grain fields and numerous flourishing villages have occupied for several centuries large portions of the Duevel moor near Bremen.
[18] For further account and plans of this machine see Dingler's Polytechnisches Journal, Bd. 176, S. 336.
[19] Described and figured in Bulletin de la Societe d'Encouragement, August 1857, p. 513; also Dingler's Polytechnisches Journal, Bd. 146, S. 252.
[20] Berg- und Huettenmænnische Zeitung, 1859, Nr. 26.
[21] Henneberg's Journal fuer Landwirthschaft, 1858, S. 42.