US$ 149.00
knock sensor
Used as a sensitive direction-finder when paired with a tangent-compass stand
the 90-45-45-degree faces redirecting wider beams for total internal reflection and image-inversion work
and protein separation across three selectable ranges (0-50V
Used to produce concentric Newton's rings under monochromatic light
1000mm Red 4mm Double-Sided Connecting Lead Gifts_Science Gifts knock sensorOne meter red insulated lead with 4mm banana plugs and 16mm metal terminal tips, completing the positive rail half of the long haul plug to plug patch wire pair.
US$ 149.00
US$ 199.00
US$ 199.00
US$ 59.00