Transactions . Grange Collieries. 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Vol XV Ji-mk XXVUJ. Vm? B 4f 4 ?»« 4? IC 3 .ovv^ bLEJa lEY_ _f_A N ^ g_EA N |cn fl t V E r™— J Wl NGA TE Gf 5 A N GE -F-A N W. ZHu ;h Spe ED -0» taz. A L. FAN ON- 6. i 5 C-Spe ED__ -__ N,8 *> t A -QK, \ _ow5 PEED HIGH £ PEED -gw ORMAL Spee > 1 I 1 1 —. , j ! -A , J i — t V i I . i i 0 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 EET. VolXV XXJX [,, ilhtxtra/i- Riper-/ mi MrrJia/mti/ Vrf/it/tt/rrs. v,., mi/>,.r, rrr c URVES OF Me Fig. 45. Eff
Transactions . Grange Collieries. 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Vol XV Ji-mk XXVUJ. Vm? B 4f 4 ?»« 4? IC 3 .ovv^ bLEJa lEY_ _f_A N ^ g_EA N |cn fl t V E r™— J Wl NGA TE Gf 5 A N GE -F-A N W. ZHu ;h Spe ED -0» taz. A L. FAN ON- 6. i 5 C-Spe ED__ -__ N,8 *> t A -QK, \ _ow5 PEED HIGH £ PEED -gw ORMAL Spee > 1 I 1 1 —. , j ! -A , J i — t V i I . i i 0 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 EET. VolXV XXJX [,, ilhtxtra/i- Riper-/ mi MrrJia/mti/ Vrf/it/tt/rrs. v,., mi/>,.r, rrr c URVES OF Me Fig. 45. Efficiency of rn 3HANICAL the Waddle Fans at the D — Cv vmaman. National, Pelton an Towneley Collierie s. bo »*J 56 fl*8 iSt* -- -_ U , ; - -< ~- .__ ----- s Speed of Engine. ,rf BEVOLUTIOHS PER Ml»l»t | Ml so & is u Fl :* S, i M E_f. N CU
Size: 1737px × 1438px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., book, bookcentury1800, booksubjectmineralindustries, bookyear1887
