Peter Enis

Peter Enis

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Peter Enis
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The Wave Pump -  This is a wave-driven drainage pump with no moving parts. It can cheaply be made of concrete and may be useful where the sea level is rising.

The Wave Pump - This is a wave-driven drainage pump with no moving parts. It can cheaply be made of concrete and may be useful where the sea level is rising.

Cheap DIY SD card breadboard socket. If the SD card is a mini or micro ADAPTER... Even better!

Do you have a project that needs an interface to mass storage, but don't have the resources to build a breakout board for a standard socket? In this Instructable,.

Steam Engine V Mechanism - STEP / IGES,SOLIDWORKS,Parasolid - 3D CAD model - GrabCAD

From "Kinematics of Machinery: Outlines of a Theory of Machines", by Franz Reuleaux, originally published in This is a Steam Eng.