HE1006859

Newton Meters - Pack of 6 Pack of 1 Plastic tubular newton spring balances. Each range is colour coded for convenience and is scaled in both grams and newtons. The spring mechanism is clearly visible, and zero adjustment is incorporated.Includes one each of:250g (2.5N)500g (5N)1kg (10N)2kg(20N)3kg (30N)5kg (50N)Length (including ring ...

Add

Compare

HE1006861

Cubes for Density Investigation: Stone - Pack of 5 Pack of 1 Stone cubes for density investigation.Dimensions: 20mm x 20mm x 20mmPack of 5

Add

Compare

HE1006862

Expendable Steel Springs - Pack of 100 Pack of 1 Coils open at 20g load and extend to approximately 60mm at 100g load.Max. extension without permanent deformation is approximately 150mm.Dimensions of coiled portion:Diameter: 16mmLength: 20mmOverall closed length including end loops 50mmApproximate Spring Constant: 23.50 Nm-1 (Note: there may be va...

Add

Compare

HE1006863

Expendable Steel Springs: Extension - Pack of 10 Pack of 1 Coils open at approx. 50g load. Further 100g increments each increase spring length by 15mm approx.Maximum recommended load: 1.5kgDimensions:Diameter excluding loops: 37mmOverall length: 58mmLength excluding loops: 25mmWire diameter: 1.5mm

Add

Compare

HE1006867

Crushing Can Pack of 1 This can be used to show the forces exerted by atmospheric pressure.A light walled tinplate can with an air-tight neck and screw cap. A small quantity of water in the can is boiled vigorously until steam occupies the space inside the can, at which point the top is screwed down tightly and the heat s...

Add

Compare

HE1006875

Ball and Ring Pack of 1 Ball and Ring apparatus for demonstrating thermal expansion.The ball will not pass through the ring if it is hot and the ring is cold, but it will pass if both are hot or both are cold.This product has recently been re-designed and approved by CLEAPSS.

Add

Compare

HE1006876

Bar and Gauge Pack of 1 For illustrating expansion by heating and contraction by cooling.Comprising a bar of iron, (L)108mm x (D)12.7mm, mounted on a support rod fitted with a wooden handle, and a brass gauge (150mm x 38mm) with a cut-out, which just admits the bar lengthways, and a hole which passes the bar endways when c...

Add

Compare

HE1006877

Bi-Metal Strip: Brass and Steel Pack of 1 For demonstrating the differential expansion of 2 metals by the curvature produced when the strip is heated in a Bunsen flame. Comprises strips of brass and steel, each 200mm x 15mm, riveted together and mounted on a wooden handle.Overall length: 320mm.

Add

Compare

HE1006878

Calorimeter: Copper - 75mm x 50mm Pack of 1 Copper calorimeter with parallel sides and rolled rim.Please note that natural oxidisation can occur.Dimensions: 75mm x 50mmCalorimeter Stirrer is available to purchase separately (B8R05623)

Add

Compare

HE1006879

Calorimeter: Copper - 100mm x 65mm Pack of 1 Copper calorimeter with parallel sides and rolled rim.Please note that natural oxidisation can occur.Dimensions: 100mm x 65mmCalorimeter Stirrer is available to purchase separately (B8R05623)

Add

Compare

HE1006880

Calorimeter: Aluminium - 75mm x 50mm Pack of 1 Aluminium calorimeter with parallel sides and rolled rim.Please note that natural oxidisation can occur.Dimensions: 75mm x 50mmCalorimeter Stirrer is available to purchase separately (B8R05623)

Add

Compare

HE1006881

Immersion Heater: 12V 50W Pack of 1 A fully sheathed miniature 12V, 50W (nominal) heater specially developed for use with metal block calorimeters.The element is housed in a 150mm x 11mm stainless steel tube, the heated section occupying 70mm from the closed end. Electrical connection is via 300mm flying leads with heat resisting insu...

Add

Compare