Cabinet de curiosités : Indicateur de Czensny vintage pour déterminer le Ph de l'eau Art déco There is also the warranty

There is also the warranty card and the Cryo catalog from 1999

Légère usure du formica

Il est fourni avec sa clé

No chips or cracks

Très bonne sensibilité

Cabinet de curiosités : Indicateur de Czensny vintage pour déterminer le Ph de l'eau Art déco There is also the warrantyVintage Czensny indicator to determine the Ph of water. It is composed of a wooden & metal support with 10 test pieces in very good condition. There are 8 different colors because the 6. 5 and 7. 0 test pieces are on both sides of the support. The set is complete and is in good condition. Very nice object to add to your cabinet of curiosities. Holder length: 16cm. Stand height: 11 cm.