![](http://www.alamy.com/thumbs/6/C0ACC963-897D-48F5-AA89-3CFE64B55A84/T22YMJ.jpg)
Archive image from page 37 of Directional wave measurements during the Directional wave measurements during the Hr. Ms. Tydeman sea trial / by Robert J. Bachman and Edward W. Foley directionalwavem00bach Year: 1985 360 FREQUENCY (hz) i T
Size: 1320px × 1515px
Photo credit: © Bookend / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage