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Build a Rowing Machine which Generates ElectricityChris Wasshuber
Instructions of how to build a rowing machine which generates electricity. An average healthy but non-athlete adult can generate about 100W for extended periods. I row most days for about 20 minutes.
This ebook describes my build, some of the dead ends I ran into, lessons learned, and some additional suggestions and alternatives. I do provide all the details that will allow anybody reasonably handy to build the same or a similar machine. You will find photos, sketches, schematics, links to all components I had to purchase and approximate measurements. However, I will not provide instructions...
$19.50to wish list
Hand Shadows: The Complete Art Of ShadowgraphyLouis Nikola
Shadow entertainments are as old as the hills, but their popularity is undiminished and the hand shadow expert is a recognized and popular artist and entertainer. A practical guide for both adults and children.
Generations of entertainers have amused audiences of children and adults with the art of hand shadows, using only a light source and their own two hands to form immediately recognizable profiles of people and animals. Lovers of nostalgia and aspiring hand shadow artists will delight in this ebook, which features more than 50 hand shadows.
These quaint illustrations depict many different...
$8to wish list