. American engineer and railroad journal . Fig. as. .THE THUKNYCROFT, , Daring Tup,. to increase the amount of tube surface between the points offastening, delivering the up-current above the water-line. Heretained the down-take tube, outside the furnace. His 1894, the Daring type of boiler (fig. 28), reverts morenearly to Rowans original I Fig. 29.—THE ALLAN STIRLING BOILER, Circular. Allan Stirling, who used the closed-end unit in 1887, adaptedthe unit designed by Rowan in 1865 to a new construction(fig. 29), leaving out the opportunity for definite circulationgiven

---

. American engineer and railroad journal . Fig. as. .THE THUKNYCROFT, , Daring Tup,. to increase the amount of tube surface between the points offastening, delivering the up-current above the water-line. Heretained the down-take tube, outside the furnace. His 1894, the Daring type of boiler (fig. 28), reverts morenearly to Rowans original I Fig. 29.—THE ALLAN STIRLING BOILER, Circular. Allan Stirling, who used the closed-end unit in 1887, adaptedthe unit designed by Rowan in 1865 to a new construction(fig. 29), leaving out the opportunity for definite circulationgiven by the balance pipes used by the previous inventor,which secured a definite water level, retaining his originalidea of a wrought-metal mud-drum exposed to exterior corro-sion. Cowles followed Tbornycrofts I a very closely, adding a mass of tubes at the rear of the grab-. His d<

---

Size: 1503px × 1663px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering