. The Bulletin of the Beach Erosion Board. Coastal engineering; Shore protection; Beach erosion. ?—T 3 115 V. mi / 4 WATER SURFACE 115 V. : V POWERSTAT HATHAWAY TYPE-SI^-A A - TRANSFORMER MODEL 20 OSCILLOGRAPH WITH NO. P4026 0-l007oOF GALVANOMETER TYPE MAX. OUTPUT OA-2 NO. 270000 Gl T~,900 CPS., 50MM/MA/M MULTI- ELEMENTS ON MULTI-POWER SU rN CIRCUITS. WATER SURFACE SINGLE POWER SUPPLY AND MULTI-ELEMENT CIRCUIT SINGLE WIRE ELECTRODE METAL TANK SINGLE POWER SUPPLY AND MULTI-SINGLE WIRE ELEMENTS WITH METAL TANK AS SECOND Please note that these images are extracted fro
. The Bulletin of the Beach Erosion Board. Coastal engineering; Shore protection; Beach erosion. ?—T 3 115 V. mi / 4 WATER SURFACE 115 V. : V POWERSTAT HATHAWAY TYPE-SI^-A A - TRANSFORMER MODEL 20 OSCILLOGRAPH WITH NO. P4026 0-l007oOF GALVANOMETER TYPE MAX. OUTPUT OA-2 NO. 270000 Gl T~,900 CPS., 50MM/MA/M MULTI- ELEMENTS ON MULTI-POWER SU rN CIRCUITS. WATER SURFACE SINGLE POWER SUPPLY AND MULTI-ELEMENT CIRCUIT SINGLE WIRE ELECTRODE METAL TANK SINGLE POWER SUPPLY AND MULTI-SINGLE WIRE ELEMENTS WITH METAL TANK AS SECOND 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. Beach Erosion Board; United States. Army. Corps of Engineers. Washington, D. C. : The Board
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