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U.S. Geological Survey Open-File Report 2009-1101

The Partition Intervalometer: A Programmable Underwater Timer for Marking Accumulated Sediment Profiles Collected in Anderson Sediment Traps: Development, Operation, Testing Procedures, and Field Results

Return to: Title Page » Introduction » Development » Function and Operation » Testing Procedures and Results » Results of Field Tests » Summary » Acknowledments » References » List of Figures » Appendix 1: Programming the Intervalometer » Appendix 2: Synopsis of Field Notes

Figure 7.  A bottom view illustrating the capture of a disc by the rotor mechanism and movement to the drop hole of the end cap. The rotor then travels to the drop hole of the end cap and the disc is released by gravity.
Figure 7. A bottom view illustrating the capture of a disc by the rotor mechanism and movement to the drop hole of the end cap. The rotor then travels to the drop hole of the end cap and the disc is released by gravity.

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