![Transcription Center logo](/themes/custom/tc_theme/assets/image/logo.png)
This transcription has been completed. Contact us with corrections.
Fig. 17. [[image - drawing of the cylindrical tank: a six foot length of 12-inch steel pipe, with threaded caps on the ends]] Fig. 18. [[image - black & white photograph of the Cylindrical tank]] Fig. 19. [[image - black & white photograph of the circular tank: pieces of 3-inch pipe welded into a circular shape.]] Fig. 20. [[image - cross section drawing of the direct-lift Impulse-meter]]