Hardening, tempering, annealing and forging of steel; a treatise on the practical treatment and working of high and low grade steel .. . H y/y ^ I WHIWk W^ W/M\\\WMm I. >t-V2-»

---

Size: 1969px × 1270px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, bookidhardeningtem, bookyear1903