Cabinet de curiosités : Indicateur de Czensny vintage pour déterminer le Ph de l'eau Art déco Plate in very good condition

Plate in very good condition

Légère usure du formica

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

Tray dimensions: 40

Cabinet de curiosités : Indicateur de Czensny vintage pour déterminer le Ph de l'eau Art déco Plate in very good conditionVintage 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.