"eudiometer"@en-us . . . . "103301389"^^ . . . . . . . . "0"^^ . . "102649646"@en-us . . . . . "103181474"@en-us . "0"^^ . . "03301389-n"^^ . "eudiometer"^^ . "measuring instrument consisting of a graduated glass tube for measuring volume changes in chemical reactions between gases"@en-us .