Description

Economical minute timer setting intervals up to one hour via a top knob

bridging picofarad and microfarad ranges for RC-time-constant and oscillator investigations

and basic arithmetic

Base-mounted 2-stroke diesel engine model in aluminum and plastic

5 mm in diameter

Concave Glass Mirror, 100mm Diameter, 150mm Focal Length Item Type_Net Economical minute timer setting intervalsPairs a wide 100mm aperture with a 150mm focal length, the f 1. 5 geometry producing bright, well formed real images for projection style optics setups on a ~3mm thick blank.

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
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Concave Glass Mirror, 100mm Diameter, 150mm Focal Length Item Type_Net Economical minute timer setting intervals

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