File:Ch2 Fig18.jpg

From International Dictionary of Marine Aids to Navigation
Revision as of 18:52, 28 February 2009 by Oferiks (talk | contribs) (2-2-215 N DIRECTIONAL DRUM LENS illustrating the principle of a CONVERGED BEAM 2-2-215 ( in the absence of the converging prisms a 360° fan beam of nearly uniform intensity would be produced))
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

Original file(957 × 422 pixels, file size: 65 KB, MIME type: image/jpeg)

2-2-215 N DIRECTIONAL DRUM LENS illustrating the principle of a CONVERGED BEAM 2-2-215 ( in the absence of the converging prisms a 360° fan beam of nearly uniform intensity would be produced)

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current18:52, 28 February 2009Thumbnail for version as of 18:52, 28 February 2009957 × 422 (65 KB)Oferiks (talk | contribs)2-2-215 N DIRECTIONAL DRUM LENS illustrating the principle of a CONVERGED BEAM 2-2-215 ( in the absence of the converging prisms a 360° fan beam of nearly uniform intensity would be produced)

The following 3 pages use this file:

Metadata