US$ 12.95
categorized by pythons
There is a project inside Big Book of Christmas Ornaments and Decorations for everyone
over 100 new images
Hone your colored pencil craft by immersing yourself in the detailed work of these 16 projects and you will create a level of realism only colored pencils can give
The design possibilities are endless
Spring Design and Manufacture for Home Machinists crafts-jewelry categorized by pythonsThis book explains the properties for each type of spring, plus essential materials and methods. Few mechanical devices are entirely devoid of springs of one sort or another, but satisfactory operation rests on details such as spring strength and degree of movement. Yet information on calculating and making springs is not easily available. Designing springs can be difficult due to the number of variables and the complexity of the formula. The book
US$ 12.95
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