Concentrated sulphuric acid is a dense, oily, colourless-to-slightly-yellow liquid stored in a glass..

This is a glass liquid-in-glass thermometer covering -10C to 150C, conforming to the BS 593 general ..

This is a 250mm vernier caliper accurate to 0.002mm, offering the same four-way measuring capability..

This is a 150mm vernier caliper for internal, external, depth and step measurements, accurate to 0.1..

This is a single-wheel steel-tray barrow with a tubular frame and pneumatic tyre, used on site for h..