Index
Numbers
1.5-volt AA batteries, using for touch switch, 54
6-volt battery pack, using for touch switch, 59
9-volt battery, material for telegraph, 32
100 K ohm resistor, using for touch switch, 54–55, 57
220 K ohm resistor
adding for touch switch, 58
in diagram for touch switch, 55, 58
using for touch switch, 54
A
AA batteries, using for touch switch, 54
acrylic adhesive, using for cup holder, 66, 70
acrylic plastic, using for cup holder, 66
adhesive. See glue
air compressor, using for air muscle, 125
air muscle. See also McKibben
materials and tools, 125
silicone tube, 129
on timeline, xvii
airfoil, using for glider, 137
airplane, forces ...
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