"Phenol Test"
Still, affirming that "it" was better before" is not always verified... We have come a long way since this wooden box which protects the fourteen glass reference ampoules and the instructions for use essential to your fine analysis .... of urine The process has made the Bruneau laboratories of rue de Berri in Paris famous... I do not guarantee the relevance of the reading today, there must be planned obsolescence. .. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato