. Metallographic etching reagents: I, for copper. Fig. io.—Results obtained by etching cast copper with the reagents listed in Table i. Original magnification, Xioo, reduced to yj The number under each micrograph refers to the etching reagent used R^onj Metallographic Etching Reagents for Copper 661. Fig. II.—Results obtained by etching hot-rolled copper with the re-agents listed in Table i. Original magnification, Xioo, reducedto 75 The number under each micrograph refers to the etching reagent used 662 Scientific Papers of the Bureau of Standards [Voi. 16

---

Size: 1340px × 1865px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1920, bookidmetallograph, bookyear1920