Image analyser system, comprising Quantimet 720 unit, V.D.U., epidiascope, T.V. Camera macro table stand, calculator, teleprinter, various accessories and full instruction material, various makers, 1970-1980 Image analyser system 1970-1980
Portable pH meter with accessories, ion selective electrode (ISE type), for fluoride measurement, by the Hach company, c. 1990. Model no.45400, serial no. 921000000784. Portable pH Meter, 1985-1995 1985-1995