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Spherical optically worked glass, with ground edges highly polished
Spherical optically worked glass, with ground edges highly polished
Spherical, optically worked glass, with grounded edges highly polished.
Spherical, optically worked glass, with grounded edges highly polished.
Optically worked faces, ground edges, white glass, well polished size 50x45mm
Optically worked faces, ground edges, white glass, well polished size 50x45mm
Optically worked faces, ground edges, white glass, well polished size 50x45mm
This hi-precision weighing scale is housed in an impact-resistant ABS plastic case with a stainless steel weighing pan, a permanently attached hinged plastic draft shield, levelling bubble and adjustable feet. It is an easy to use, precise scale w
Offering low cost, rapid response, high accuracy and ease of use with a robust design. This water resistant thermometer is ideal for liquid and semi-solid sampling. -50° to 330°C x 0.1° Water r
A robust 100R Variable Resistor module for use with the BrightSparks 4kids range of modules. Module designed for 1.5 - 6VDC circuits Connections made by two unpolarised 4mm plug in sockets includes Non slip rubber feet
A robust bulb module for use with the BrightSparks 4kids range of modules. Operating Voltage 1.5 - 6VDC Maximum Bulb rating 12Volts 200mA Connections made by two unpolarised 4mm plug in sockets includes Non slip rubber
A robust L.E.D module for use with the BrightSparks 4kids range of modules. Operating Voltage 2.5 - 6VDC Fitted with internal current limiting resistor. Connections made by two polarised 4mm plug in sockets includes Non
A robust L.E.D module for use with the BrightSparks 4kids range of modules. Operating Voltage 2.5 - 6VDC Fitted with internal current limiting resistor. Connections made by two polarised 4mm plug in sockets
A robust Magnetic Switch module for use with the BrightSparks 4kids range of modules Large glass body with easy to see contacts Module designed for 1.5 - 6VDC circuits Connections made by two unpolarised 4mm plug in sockets
A 1 farad capacitor that can be used for energy storage. Securely fixed and mounted on o sealed ABS enclosure with non slip rubber feet. Connections made by two polarised 4mm plug in sockets includes Non slip rubber feet
Digital thermometer with stainless steel sensor probe Simple LCD Display for easy reading Measures in Fahrenheit or Celsius Feature Saving power: auto-off after 15 minutes of no-operation Low battery
To observe magnetic fields generated by a constant electrical current. A Circular Coil Mounted on a Plastic base. Iron filings can be scattered on the clear plastic sheet and when a current then flows
Input supply voltage 230V DC. Supplyfrequency 50Hz. Output voltage 2, 4, 6, 8, 10, 12V ACnominal 1, 3, 5, 7, 9, 11V full waverectified DC nominal. Mains fuse rear panel 2A, 20mm quickblow mains plug 3
A set of four Mystrica 2.0 wireless colorimeters fitted in a deep Gratnells tray with a lid and polyethylene foam insert Apart from the colorimeters the contents are : • a box of 40 4ml cuvettes • a b
Vary the current in a circuit using this rheostat. Supplied with 11ohm coil.
Our very popular Spider power supply has been specifically designed for Primary, Middle and Lower Secondary school use. Offering 1.5, 3, 4.5 or 6V smoothed and regulated DC at up to 1A, it is the idea
A set of 15 kits to observe heat transfer under different conditions by measuring the temperatures of the insulated containers before and after connecting them with the metal bar. Consists of two insu
Tin plate box with 130 mm sides. The vertical faces of the box are blackened, roughened, varnished and polished respectively. The top opening is 75 mm diameter and is fitted with a stopper. The appara
Set of 15 Student Power Supplies. Voltage 2, 4, 6, 9, 12 or 14VAC or full-wave rectified DC at 4A continuously, or up to 5A for periods of 1 hour (IPC-0256-P). Voltage ranges are selected and locked b
The AFGL-3000 precision weighing balance is housed in an impact-resistant ABS case with a stainless steel weighing pan, splash-proof membrane keypad, levelling bubble and adjustable feet. It can be ei
The (AFR-EJ1 is a 1Kg compact stainless steel weighing scale with a 0.1g weighing resolution. It has a rugged stainless steel construction throughout, it is a hard wearing scale that can stand up to t
The (AFR-EJ5 is a 5Kg compact stainless steel weighing scale with a 1g weighing resolution. It has a rugged stainless steel construction throughout, it is a hard wearing scale that can stand up to the
The Talking Scale announces weights in Grams, Pounds, Ounces & Volume in ml in a clear English voice and can measure both liquids and solids. Easy to See measuring jug included.Weights up to 5kg/11lb.
With numerous features and functions, Luna precision balances are suitable for most lab weighing tasks. Luna’s display features a stylish look, with easy-to-read 24mm digits in white on a black backgr
Our compact Powerlock power supply now comes supplied in a 4 pack with a Gratnells deep tray for ease of storage. Offering 2, 4, 6, 8, 10, and 12 volts at currents of up to 5A. Both dc and ac outputs
If you damage the case on one of our Irwin Power Supplies or you wish to give it an overhaul this can be easily achieved with our simple to install replacement cover kits available in a choice of 2 co
The Irwin Colour Mixing kit is designed to demonstrate primary and secondary colour mixing. The kit comprises, essentially, a scaled up version of our small colour mixing apparatus. A robust, upright
This is claimed to be 'the original' in the sense that it is made in America, by the successors to the firm who first marketed it in 1917. It is entirely metal and smartly packaged with string and sta
This mini digital balance has a 500g capacity at a 0.01g resolution. It can report in six different units on its blue backlit screen and includes two clear bowls which can be used to measure and as a
Regulated DC Power Supply 3V-12V/3A (6 Outputs) DC power supply unit provides regulated DC output voltage with excellent load and line regulation Description • Compact and Light Weight Design • Fire r
Experience consistent results with the DP-3002 Advanced Precision Balance from DuraLab. Engineered to deliver reliable performance in any laboratory setting, this precision balance is an economical ye
Versatile Flexible Neck Integral On/ Off Switch Bulb: E14 35w Halogen Candle or 9w Energy Saver Bulb (Not Included) Height Approx 34cm
Versatile lamp head tilt and swivel Adjustable reach swing-arm Inline on/off switch Weighted base with desk tidy Bulb: E14 35w max. halogen candle or 9w energy saver (bulbs not included) Max. height:
2700mAh capacity Size: AA Voltage: 1.2v Watt Hour: 3.24Wh Standard Charge 16hrs @ 270mA NiMH rechargeable 1000 charges (approx.) Packaging: 4 pack blister card
For AA AAA C D and 9v (PP3) NiMH/NiCD rechargeable batteries Charging indicator lights (does not indicate when fully charged) Polarity reverse protection Plugs into any standard UK wall socket Charges
Semi-circular concave mirror, 115mm x 50mm high. Depth is 75mm Made in stainless steel and polished on inside surface.
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Spherical optically worked glass, with ground edges highly polished
Spherical optically worked glass, with ground edges highly polished
Spherical, optically worked glass, with grounded edges highly polished.
Spherical, optically worked glass, with grounded edges highly polished.
Optically worked faces, ground edges, white glass, well polished size 50x45mm
Optically worked faces, ground edges, white glass, well polished size 50x45mm
Optically worked faces, ground edges, white glass, well polished size 50x45mm
This hi-precision weighing scale is housed in an impact-resistant ABS plastic case with a stainless steel weighing pan, a permanently attached hinged plastic draft shield, levelling bubble and adjustable feet. It is an easy to use, precise scale w
Offering low cost, rapid response, high accuracy and ease of use with a robust design. This water resistant thermometer is ideal for liquid and semi-solid sampling. -50° to 330°C x 0.1° Water r
A robust 100R Variable Resistor module for use with the BrightSparks 4kids range of modules. Module designed for 1.5 - 6VDC circuits Connections made by two unpolarised 4mm plug in sockets includes Non slip rubber feet
A robust bulb module for use with the BrightSparks 4kids range of modules. Operating Voltage 1.5 - 6VDC Maximum Bulb rating 12Volts 200mA Connections made by two unpolarised 4mm plug in sockets includes Non slip rubber
A robust L.E.D module for use with the BrightSparks 4kids range of modules. Operating Voltage 2.5 - 6VDC Fitted with internal current limiting resistor. Connections made by two polarised 4mm plug in sockets includes Non
A robust L.E.D module for use with the BrightSparks 4kids range of modules. Operating Voltage 2.5 - 6VDC Fitted with internal current limiting resistor. Connections made by two polarised 4mm plug in sockets
A robust Magnetic Switch module for use with the BrightSparks 4kids range of modules Large glass body with easy to see contacts Module designed for 1.5 - 6VDC circuits Connections made by two unpolarised 4mm plug in sockets
A 1 farad capacitor that can be used for energy storage. Securely fixed and mounted on o sealed ABS enclosure with non slip rubber feet. Connections made by two polarised 4mm plug in sockets includes Non slip rubber feet
Digital thermometer with stainless steel sensor probe Simple LCD Display for easy reading Measures in Fahrenheit or Celsius Feature Saving power: auto-off after 15 minutes of no-operation Low battery
To observe magnetic fields generated by a constant electrical current. A Circular Coil Mounted on a Plastic base. Iron filings can be scattered on the clear plastic sheet and when a current then flows
Input supply voltage 230V DC. Supplyfrequency 50Hz. Output voltage 2, 4, 6, 8, 10, 12V ACnominal 1, 3, 5, 7, 9, 11V full waverectified DC nominal. Mains fuse rear panel 2A, 20mm quickblow mains plug 3
A set of four Mystrica 2.0 wireless colorimeters fitted in a deep Gratnells tray with a lid and polyethylene foam insert Apart from the colorimeters the contents are : • a box of 40 4ml cuvettes • a b
Vary the current in a circuit using this rheostat. Supplied with 11ohm coil.
Our very popular Spider power supply has been specifically designed for Primary, Middle and Lower Secondary school use. Offering 1.5, 3, 4.5 or 6V smoothed and regulated DC at up to 1A, it is the idea
A set of 15 kits to observe heat transfer under different conditions by measuring the temperatures of the insulated containers before and after connecting them with the metal bar. Consists of two insu
Tin plate box with 130 mm sides. The vertical faces of the box are blackened, roughened, varnished and polished respectively. The top opening is 75 mm diameter and is fitted with a stopper. The appara
Set of 15 Student Power Supplies. Voltage 2, 4, 6, 9, 12 or 14VAC or full-wave rectified DC at 4A continuously, or up to 5A for periods of 1 hour (IPC-0256-P). Voltage ranges are selected and locked b
The AFGL-3000 precision weighing balance is housed in an impact-resistant ABS case with a stainless steel weighing pan, splash-proof membrane keypad, levelling bubble and adjustable feet. It can be ei
The (AFR-EJ1 is a 1Kg compact stainless steel weighing scale with a 0.1g weighing resolution. It has a rugged stainless steel construction throughout, it is a hard wearing scale that can stand up to t
The (AFR-EJ5 is a 5Kg compact stainless steel weighing scale with a 1g weighing resolution. It has a rugged stainless steel construction throughout, it is a hard wearing scale that can stand up to the
The Talking Scale announces weights in Grams, Pounds, Ounces & Volume in ml in a clear English voice and can measure both liquids and solids. Easy to See measuring jug included.Weights up to 5kg/11lb.
With numerous features and functions, Luna precision balances are suitable for most lab weighing tasks. Luna’s display features a stylish look, with easy-to-read 24mm digits in white on a black backgr
Our compact Powerlock power supply now comes supplied in a 4 pack with a Gratnells deep tray for ease of storage. Offering 2, 4, 6, 8, 10, and 12 volts at currents of up to 5A. Both dc and ac outputs
If you damage the case on one of our Irwin Power Supplies or you wish to give it an overhaul this can be easily achieved with our simple to install replacement cover kits available in a choice of 2 co
The Irwin Colour Mixing kit is designed to demonstrate primary and secondary colour mixing. The kit comprises, essentially, a scaled up version of our small colour mixing apparatus. A robust, upright
This is claimed to be 'the original' in the sense that it is made in America, by the successors to the firm who first marketed it in 1917. It is entirely metal and smartly packaged with string and sta
This mini digital balance has a 500g capacity at a 0.01g resolution. It can report in six different units on its blue backlit screen and includes two clear bowls which can be used to measure and as a
Regulated DC Power Supply 3V-12V/3A (6 Outputs) DC power supply unit provides regulated DC output voltage with excellent load and line regulation Description • Compact and Light Weight Design • Fire r
Experience consistent results with the DP-3002 Advanced Precision Balance from DuraLab. Engineered to deliver reliable performance in any laboratory setting, this precision balance is an economical ye
Versatile Flexible Neck Integral On/ Off Switch Bulb: E14 35w Halogen Candle or 9w Energy Saver Bulb (Not Included) Height Approx 34cm
Versatile lamp head tilt and swivel Adjustable reach swing-arm Inline on/off switch Weighted base with desk tidy Bulb: E14 35w max. halogen candle or 9w energy saver (bulbs not included) Max. height:
2700mAh capacity Size: AA Voltage: 1.2v Watt Hour: 3.24Wh Standard Charge 16hrs @ 270mA NiMH rechargeable 1000 charges (approx.) Packaging: 4 pack blister card
For AA AAA C D and 9v (PP3) NiMH/NiCD rechargeable batteries Charging indicator lights (does not indicate when fully charged) Polarity reverse protection Plugs into any standard UK wall socket Charges
Semi-circular concave mirror, 115mm x 50mm high. Depth is 75mm Made in stainless steel and polished on inside surface.
Showing products per page