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48th Anniversary

Barometer, Aneroid Demonstration

CODE : 20EP248

฿ 1,200

Last Update : 02/02/2022

Availability : สินค้าพร้อมจำหน่าย 6 เครื่อง

This set demonstrates the principles of barometer. This is made of clear plastic; there are no leaks between the rubber. Pressure is increased by using the rubber, by squeezing it and there is a valve to open/close.