Lab-Aids: Colony Counter

Counting is made easy with this reasonably priced Colony Counter. The viewing screen is made of translucent plastic and is printed in standard Wolffhuegel rulings that form 1 cm squares. The diagonal rows are subdivided into nine equal squares. This versatile Lab-Aid accommodates petri dishes up to 125 mm in diameter. The 110 volt AC power supply includes an on-off switch. A lamp is also included along with a detailed instruction booklet. This is a must for students in any lab using microorganisms.