PROEFBUISJES MET HOUVAST VOOR DE REAGENSDRAGERS.

摘要

The gas or gas-carried suspended matter indicator tube includes a reagent therein for detecting gases or suspended matter in the gas which are passed through the tube. The tube is drawn down at each end and sealed. Each end of the tube or the portion of the tube at which the reagent ends, is retained by fixing elements, which comprise glass granules which are sintered.