HOOKUPZ* 2.0, Universal Smart Phone Optics Digiscoping Adapter, Optics with an eyepiece of 25-58mm, For Binoculars, Spotting Scopes, Monoculars, Telescopes, Microscopes, Incompatible for riflescopes and tablets, Fits ipods, iphones, Galaxy, Motorola and HTC phones
Circuit Board 2, Mass: 0.44 kg, Optional power sources: up to 4 AA batteries, not included, DC power supply such as Extech Digital DC power supply, Power Amplifier, Maximum voltage: 10 V, Resettable fuse opens at 0.8 A, but 0.3 A or less is recommended
Jolly bulb metal - superior, Palm-sized, hollow metallic ball with a manometer connected to it for demonstrating change of pressure in a closed volume of air when heated or cooled, 80 mm diameter