2-Stroke Diesel Engine Model Subcategory_Electricity and Circuits Plastic-bodied wave apparatus with eccentric

Plastic-bodied wave apparatus with eccentric discs that drive metal rods up and down as the handle turns

this six-metal density cube set of brass

and copper

securing a thermometer to any support rod at the angle needed for hands-free temperature monitoring during an experiment

Polished beech wood test tube rack with twelve vertical holes sized for tubes up to 28 mm diameter

2-Stroke Diesel Engine Model Subcategory_Electricity and Circuits Plastic-bodied wave apparatus with eccentricBase mounted 2 stroke diesel engine model in aluminum and plastic, its sectioned carburetor and fuel supply exposing the compression ignition cycle to a hand cranked turnover.