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Spectrum Tube, Krypton

Evacuated glass tubes, about 26cm long, straight \nform, fi lled with different types of gases or vapours \nto study their respective discharge. The glass tubes \nhas metal cap electrodes at both the ends for \nconnecting to high voltage supply an

£8.50

LENSES DOUBLE CONCAVE 50MM DIA FL1000MM

Spherical, optically worked glass, with grounded edges highly polished.

£1.00

LENSES DOUBLE CONCAVE 50MM DIA FL250MM

Spherical, optically worked glass, with grounded edges highly polished.

£1.00

LENSES DOUBLE CONCAVE 50MM DIA FL150MM

Spherical, optically worked glass, with grounded edges highly polished.

£1.00

LENSES DOUBLE CONVEX 50MM DIA FL1000MM

Spherical optically worked glass, with ground edges highly polished

£0.89

LENSES DOUBLE CONVEX 50MM DIA FL250MM

Spherical optically worked glass, with ground edges highly polished

£0.89

LENSES DOUBLE CONVEX 50MM DIA FL300MM

Spherical optically worked glass, with ground edges highly polished

£0.89

LENSES DOUBLE CONVEX 50MM DIA FL200MM

Spherical optically worked glass, with ground edges highly polished

£0.89

LENSES DOUBLE CONVEX 50MM DIA FL100MM

Spherical optically worked glass, with ground edges highly polished

£1.21

Light Meter

UT383 is a MiniLight Meter equipped with photo electricsensing technology, which can effectively represent light intensity with electrical signals, then processes data and displays the result on LCD. It is light weight, compac

£19.10

DIFFRACTION GRATING

Transmission type 50x50mm available 600 lines per cm. Mounted in plastic frame.

£15.50

SET OF ACRYLIC PLASTIC BLOCKS

Comprise 7 blocks in wooden storage box as follows: \nRectangle 75 x 50 mmlSemi Circular 75 mm dia. \nTriangle 60º x 60º x 60º, 58 mm side. \nTriangle 90º x 45º x 45º, 75 mm hypotenuse. \nTrian

£18.50

PLANE MIRRORS, GLASS UNMOUNTED. 75x25mm

Back silvered with protective coating.

£0.15

UNBREAKABLE MIRROR 100mmX75mm

UNBREAKABLE MIRROR 100mmX75mm

£0.92

UNBREAKABLE MIRROR 100mmX100mm

UNBREAKABLE MIRROR 100mmX100mm

£1.36

UNBREAKABLE MIRROR 250mmX150mm

UNBREAKABLE MIRROR 250mmX150mm

£4.19

PINHOLE CAMERA KIT

8 cardboard boxes 150 x 100 x 100 mm with hole, screen and lid, filament lamp, 50 sheets of black paper 200 x 250 mm, one 60 watts lamp, one mounted lamp holder with flex, one packet of pins.

£15.73

£6.35

£5.99

UV Security Pen

The ink is invisible under normal light but shows up under a UV light.

£1.80

Photochromic Pigments ORANGE

These pigments normally have a pale, off-white appearance but in sunlight or UV light they instantly change to a bright, vivid colour. The pigments revert to their pale colour when away from sunlight or UV light. If the pigment is mixed with a bin

£3.45

Photochromic Pigments MAGENTA

These pigments normally have a pale, off-white appearance but in sunlight or UV light they instantly change to a bright, vivid colour. The pigments revert to their pale colour when away from sunlight or UV light. If the pigment is mixed with a bin

£3.45

£1.45

LED Handy Torches - Pk12

Small handheld torches for classroom experiments. Set of 12: 3 x red, 3 x blue, 3 x green, 3 x yellow. Supports the EYFS / National Curriculum: EYFS Understanding the World: The World EYFS Expressive Arts &

£17.25

Showing products per page

Spectrum Tube, Krypton

Evacuated glass tubes, about 26cm long, straight \nform, fi lled with different types of gases or vapours \nto study their respective discharge. The glass tubes \nhas metal cap electrodes at both the ends for \nconnecting to high voltage supply an

£8.50

LENSES DOUBLE CONCAVE 50MM DIA FL1000MM

Spherical, optically worked glass, with grounded edges highly polished.

£1.00

LENSES DOUBLE CONCAVE 50MM DIA FL250MM

Spherical, optically worked glass, with grounded edges highly polished.

£1.00

LENSES DOUBLE CONCAVE 50MM DIA FL150MM

Spherical, optically worked glass, with grounded edges highly polished.

£1.00

LENSES DOUBLE CONVEX 50MM DIA FL1000MM

Spherical optically worked glass, with ground edges highly polished

£0.89

LENSES DOUBLE CONVEX 50MM DIA FL250MM

Spherical optically worked glass, with ground edges highly polished

£0.89

LENSES DOUBLE CONVEX 50MM DIA FL300MM

Spherical optically worked glass, with ground edges highly polished

£0.89

LENSES DOUBLE CONVEX 50MM DIA FL200MM

Spherical optically worked glass, with ground edges highly polished

£0.89

LENSES DOUBLE CONVEX 50MM DIA FL100MM

Spherical optically worked glass, with ground edges highly polished

£1.21

Light Meter

UT383 is a MiniLight Meter equipped with photo electricsensing technology, which can effectively represent light intensity with electrical signals, then processes data and displays the result on LCD. It is light weight, compac

£19.10

DIFFRACTION GRATING

Transmission type 50x50mm available 600 lines per cm. Mounted in plastic frame.

£15.50

SET OF ACRYLIC PLASTIC BLOCKS

Comprise 7 blocks in wooden storage box as follows: \nRectangle 75 x 50 mmlSemi Circular 75 mm dia. \nTriangle 60º x 60º x 60º, 58 mm side. \nTriangle 90º x 45º x 45º, 75 mm hypotenuse. \nTrian

£18.50

PLANE MIRRORS, GLASS UNMOUNTED. 75x25mm

Back silvered with protective coating.

£0.15

UNBREAKABLE MIRROR 100mmX75mm

UNBREAKABLE MIRROR 100mmX75mm

£0.92

UNBREAKABLE MIRROR 100mmX100mm

UNBREAKABLE MIRROR 100mmX100mm

£1.36

UNBREAKABLE MIRROR 250mmX150mm

UNBREAKABLE MIRROR 250mmX150mm

£4.19

PINHOLE CAMERA KIT

8 cardboard boxes 150 x 100 x 100 mm with hole, screen and lid, filament lamp, 50 sheets of black paper 200 x 250 mm, one 60 watts lamp, one mounted lamp holder with flex, one packet of pins.

£15.73

£6.35

£5.99

UV Security Pen

The ink is invisible under normal light but shows up under a UV light.

£1.80

Photochromic Pigments ORANGE

These pigments normally have a pale, off-white appearance but in sunlight or UV light they instantly change to a bright, vivid colour. The pigments revert to their pale colour when away from sunlight or UV light. If the pigment is mixed with a bin

£3.45

Photochromic Pigments MAGENTA

These pigments normally have a pale, off-white appearance but in sunlight or UV light they instantly change to a bright, vivid colour. The pigments revert to their pale colour when away from sunlight or UV light. If the pigment is mixed with a bin

£3.45

£1.45

LED Handy Torches - Pk12

Small handheld torches for classroom experiments. Set of 12: 3 x red, 3 x blue, 3 x green, 3 x yellow. Supports the EYFS / National Curriculum: EYFS Understanding the World: The World EYFS Expressive Arts &

£17.25

Showing products per page