




""On Peat As A Substitute For Coal: Including Details Of The Dublin Peat Commission, 1872; Clayton�������s Condensed-Peat Patent, 1873; Maccallum�������s Coal-Peat Invention, 1873""...

""On Peat As A Substitute For Coal: Including Details Of The Dublin Peat Commission, 1872; Clayton�������s Condensed-Peat Patent, 1873; Maccallum�������s Coal-Peat Invention, 1873""...
