Boyle/Marriotte apparatus, SE

For determining the relationship between the pressure and volume of a gas at a constant temperature (Boyle-Mariotte law);
Compact device, consisting of a manometer with practical, clear scale, attached gas syringe made of impact-resistant plastic, well-sealed yet smooth-running piston with robust handle, clear, easy-to-read printed scale
Syringe filling volume: 120 ml
Manometer range: -1000 ... +3000 hPa
Dimensions: approx. 290 x 63 x 42 mm
Mass: approx. 182 g