Folsom’s Plankton Sample Divider Hydro-Bios ²⁶ test Delay is a low-power "sleep"

Delay is a low-power "sleep" state entered after image capture

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this new volume in the groundbreaking Crossley ID Guide series is the most user - friendly guide to the birds of Britain and Ireland

It features a flange that protects the padlock from bolt cutters

Folsom’s Plankton Sample Divider Hydro-Bios ²⁶ test Delay is a low-power "sleep"Folsoms Plankton Sample Divider provides a fast and easy method to divide large plankton samples into an amount suitable for examination. This instrument divides samples in halves. Simply repeat the operation until the desired amount is left. The transparent plastic drum of the divider is suitable for samples up to 100 ml. The base is provided with a water level and two levelling screws for easy horizontal alignment.