Sonometer this paraffin wax is easy

this paraffin wax is easy to handle and dispense

Back board Dia

this buffer solution provides a stable and consistent pH reference for calibration and standardization purposes

Reliable Performance: Enjoy the same benefits as PP/PC vacuum desiccators

Sonometer this paraffin wax is easyWith double 1m constant wire and plated copper strips and connecting pieces. Fitted with 4 socket terminals and scale graduated 0 to 100cm x 1mm, mounted on wooden board 115x8. 5cm. Complete with knife edge jockey. Premium Quality: Sonometer is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms