Eisco Iron Filings 250g Jars - Eisco PH0799A, These coarse grade iron fillings are ideal for magnetic field mapping and a host of other experiments with magnetism. Eisco PH0799A - Coarse Iron Filings - 250g Jar
Eisco Iron Filings 250g Jars - Eisco PH0799C, These fine grade iron fillings are ideal for magnetic field mapping and a host of other experiments with magnetism. Eisco PH0799C - Fine Iron Filings - 250g Jar
Rapid Plastic Spring Balance Scales - Rapid PH10132/2, This 250g / 2.5N blue colour-coded spring balance has a robust transparent plastic body with a chrome-plated ring at the top and a hook at the bottom. Rapid Plastic Spring Balance Scales - 250g /...