. Bulletin - United States National Museum. Science. 'igure 7 Inn u 01 M' 'in RN I' >u\\ I i cut. using the old screw anil mil hul with a m-w tool. I he material threaded i~ carl - steel drill rod Smithsonian photo r6 \. Figure 8. Binding si rj w seen at \ in figure 3, showing the long smooth fadeout of the thread below the shoulder. (Smithsonian photo (9276.) PAPER 37: SCREW-THREAD it [TING BY THE MASTKR-SCRKW Ml Ill. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrati
. Bulletin - United States National Museum. Science. 'igure 7 Inn u 01 M' 'in RN I' >u\\ I i cut. using the old screw anil mil hul with a m-w tool. I he material threaded i~ carl - steel drill rod Smithsonian photo r6 \. Figure 8. Binding si rj w seen at \ in figure 3, showing the long smooth fadeout of the thread below the shoulder. (Smithsonian photo (9276.) PAPER 37: SCREW-THREAD it [TING BY THE MASTKR-SCRKW Ml Ill. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
Size: 2381px × 1050px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
