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| Zenni Women's Rectangle Prescription Glasses Purple Plastic Frame |
| $12.95 |
| A plastic full-rim frame. | Zenni Women's Rectangle Prescription Glasses Purple Plastic Frame [Read More] |
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| "RVFM - Sets of Masses - Slotted - Brass Plated - 4 x 50g" |
| "Brass Slotted Masses and Hanger Sets - RVFM PH10155, A 50g mass hanger complete with 4 removable slotted brass 50g masses. RVFM - Sets of Masses - Slotted - Brass Plated - 4 x 50g"
Price: 11.05 |
| "RVFM - Set of Masses - Slotted - Brass Plated - 4 x 100g" |
| "Brass Slotted Masses and Hanger Sets - RVFM PH10157, A 100g mass hanger complete with 4 removable slotted brass 100g masses. RVFM - Set of Masses - Slotted - Brass Plated - 4 x 100g"
Price: 19.51 |
| "RVFM - Set of Masses - Slotted -Brass Plated - 9 x 100g" |
| "Brass Slotted Masses and Hanger Sets - RVFM PH10160, A 100g mass hanger complete with 9 removable slotted brass 100g masses. RVFM - Set of Masses - Slotted -Brass Plated - 9 x 100g"
Price: 40.49 |
| "RVFM - Hook Mixed Weight Set - Economy - Set of 9" |
| Economy-Hook-Weight-Set-RVFM-PH10185-p-A-set-of-black-painted-weights-with-a-fixed-hook-on-their-tops-The-bottoms-of-the-weights-are-recessed-and-contain-a-bar-that-allows-the-weights-to-be-hung-from-each-other-to-produce-various-masses-p-RVFM-Hook-Mixed-Weight-Set-Economy-Set-of-9
Price: 33.67 |
| "RVFM - Hook Mixed Weight - Set of 9" |
| RVFM-9-Piece-Hook-Weight-Set-RVFM-PH10190-p-A-set-of-9-weights-with-hooks-the-set-consists-of-7-polished-brass-weights-plus-2-black-enameled-weights-with-flat-countersunk-bottoms-p-RVFM-Hook-Mixed-Weight-Set-of-9
Price: 36.43 |
| "RVFM - Force Table with Support Rod & Tripod Base - Table Diameter..." |
| Force-Table-RVFM-PH10220-P-This-apparatus-can-be-used-to-demonstrate-the-verification-of-the-laws-of-composition-and-resolution-of-forces-P-P-It-is-comprised-of-a-machined-aluminium-table-40cm-in-diameter-on-a-heavy-vertical-support-rod-and-tripod-base-P-P-A-ring-has-four-cords-attached-to-it-that-can-have-masses-hung-from-them-When-the-forces-are-balanced-the-ring-rests-in-the-centre-of-the-table-Each-of-the-4-cords-pass-over-a-pulley-which-guides-them-at-the-required-angle-and-re
Price: 134.88 |
| "RVFM - Pulley with Adjustable Table Clamp - Pulley Diamter 45mm" |
| Adjustable-Table-Clamp-Pulley-RVFM-PH10328-p-A-nylon-pulley-mounted-on-a-sturdy-clamp-suitable-for-attaching-to-tables-and-benches-up-to-4-5cm-thick-The-pulley-is-4-5cm-in-diameter-and-can-be-adjusted-from-flush-with-the-tabletop-to-13cm-above-it-In-addition-the-pulley-can-be-rotated-through-360-deg-to-suit-any-experimental-setup-p-RVFM-Pulley-with-Adjustable-Table-Clamp-Pulley-Diamter-45mm
Price: 18.19 |
| "RVFM - Wheel Axle - 130mm Diameter" |
| Stepped-Pulley-and-Axle-RVFM-PH10400-p-This-13cm-diameter-moulded-wheel-has-4-grooves-of-different-diameters-in-the-ratios-1-3-5-amp-7-It-is-ideal-for-demonstrating-how-a-change-in-diameter-changes-the-performance-of-a-system-e-g-torque-and-speed-p-RVFM-Wheel-Axle-130mm-Diameter
Price: 10.64 |
| "RVFM Newtons 2nd Law of Motion" |
| Newton-s-2nd-Law-of-Motion-Demonstration-Apparatus-RVFM-PH10410-p-This-apparatus-demonstrates-that-2-bodies-will-strike-the-floor-at-the-same-time-even-when-their-paths-of-flight-and-horizontal-velocity-components-are-different-The-2-balls-are-released-simultaneously-1-ball-is-released-to-drop-vertically-the-other-is-projected-horizontally-p-RVFM-Newtons-2nd-Law-of-Motion
Price: 9.85 |
| "RVFM Second Law of Motion Apparatus" |
| Newton-s-2nd-Law-of-Motion-Apparatus-RVFM-PH10415-P-An-apparatus-to-demonstrate-Newton-s-Second-Law-of-Motion-in-a-simple-yet-accurate-way-P-P-When-the-release-lever-is-triggered-the-internal-spring-accelerates-one-ball-horizontally-and-releases-the-other-to-fall-vertically-showing-that-two-balls-dropped-from-the-same-height-hit-the-ground-at-the-same-time-even-though-one-is-traveling-forward-when-they-are-released-P-RVFM-Second-Law-of-Motion-Apparatus
Price: 16.69 |
| "RVFM - Maxwells Wheel - 460 x 330 x 150mm" |
| Maxwell-s-Wheel-Momentum-Demonstration-Apparatus-RVFM-PH10562-P-Maxwell-s-Wheel-apparatus-demonstrates-momentum-conservation-of-energy-and-torque-It-consists-of-a-large-flywheel-suspended-by-two-strong-cords-The-cords-are-wound-around-the-shaft-of-the-wheel-and-then-released-P-P-The-wheel-unwinds-the-cords-as-it-falls-and-winds-itself-back-up-as-momentum-continues-to-spin-the-wheel-This-process-will-continue-for-several-oscillations-gradually-coming-to-a-stop-as-the-wheel-loses-mome
Price: 28.18 |
| "RVFM - Inclined Wood Plane - 600 x 75mm" |
| Wooden-Inclined-Plane-Apparatus-RVFM-PH10567A-P-An-inclined-wooden-plane-ideal-for-experimenting-with-friction-The-plane-is-hinged-to-the-wooden-base-and-has-a-pulley-at-one-end-P-RVFM-Inclined-Wood-Plane-600-x-75mm
Price: 34.85 |
| "RVFM Friction Blocks & Surfaces" |
| Friction-Blocks-Surfaces-RVFM-PH10572F-P-These-friction-blocks-and-surfaces-can-be-used-to-illustrate-the-concept-that-friction-depends-on-the-nature-and-smoothness-of-materials-P-P-The-kit-consists-of-a-glass-mirror-with-sandpaper-affixed-to-one-side-plus-two-wooden-blocks-one-plain-and-one-with-a-mirror-cemented-to-one-face-Both-static-and-sliding-frictional-forces-between-different-surfaces-can-be-compared-and-contrasted-using-this-kit-P-RVFM-Friction-Blocks-Surfaces
Price: 6.73 |
| "RVFM - Inclined Metal Plane - 600 x 75mm" |
| Metal-Inclined-Plane-Apparatus-RVFM-PH10574-P-An-inclined-metal-plane-ideal-for-experimenting-with-friction-The-plane-is-hinged-to-the-metal-base-and-has-a-pulley-at-one-end-P-RVFM-Inclined-Metal-Plane-600-x-75mm
Price: 50.72 |
| "RVFM - Rotational Platform - 330 x 330 x 85mm" |
| Rotational-Platform-RVFM-PH10588-p-This-heavy-duty-rotating-platform-illustrates-the-concept-of-rotational-inertia-p-RVFM-Rotational-Platform-330-x-330-x-85mm
Price: 47.94 |
| "RVFM - Simple Pendulum - - Brass - 13mm" |
| "Pendulum Bobs for Simple Pendulums - RVFM PH10592/1, A 13mm, Brass bob weight ideal for use as a simple pendulum. RVFM - Simple Pendulum - - Brass - 13mm"
Price: 1.05 |
| "RVFM - Simple Pendulum - - Brass - 19mm" |
| "Pendulum Bobs for Simple Pendulums - RVFM PH10592/3, A 19mm, Brass bob weight ideal for use as a simple pendulum. RVFM - Simple Pendulum - - Brass - 19mm"
Price: 1.86 |
| "RVFM - Simple Pendulum - - Steel - 13mm" |
| "Pendulum Bobs for Simple Pendulums - RVFM PH10594/1, A 13mm, Steel bob weight ideal for use as a simple pendulum. RVFM - Simple Pendulum - - Steel - 13mm"
Price: 0.51 |
| "RVFM - Simple Pendulum - - Steel - 19mm" |
| "Pendulum Bobs for Simple Pendulums - RVFM PH10594/3, A 19mm, Steel bob weight ideal for use as a simple pendulum. RVFM - Simple Pendulum - - Steel - 19mm"
Price: 0.74 |
| "RVFM - Simple Pendulum - - Steel - 25mm" |
| "Pendulum Bobs for Simple Pendulums - RVFM PH10594/5, A 25mm, Steel bob weight ideal for use as a simple pendulum. RVFM - Simple Pendulum - - Steel - 25mm"
Price: 0.98 |
| "RVFM - Hooks Law Apparatus - Mirror Scale 120mm" |
| Hooks-Law-Demonstration-Apparatus-RVFM-PH10612-p-This-Hooks-Law-apparatus-consists-of-a-stand-supporting-a-spring-with-provision-to-hang-masses-from-it-p-RVFM-Hooks-Law-Apparatus-Mirror-Scale-120mm
Price: 11.86 |
| "RVFM Speed of a Bubble Set - 540mm Tube Lengths" |
| Speed-of-a-Bubble-Set-RVFM-PH10629-P-A-set-of-three-rugged-sealed-transparent-plastic-tubes-containing-coloured-fluids-of-three-different-viscosities-The-bubble-in-each-tube-rises-at-a-constant-speed-which-depends-on-the-type-of-fluid-the-angle-at-which-the-tube-is-inclined-and-to-some-extent-the-temperature-P-P-Students-can-measure-the-time-it-takes-for-the-bubble-to-move-from-the-bottom-to-the-top-of-the-three-different-tubes-Their-observations-will-help-them-to-link-the-mathematic
Price: 27.46 |
| "RVFM Rocket Launcher" |
| Air-Powered-Rocket-Launcher-RVFM-PH10805-P-This-Rocket-Launcher-is-a-working-device-that-helps-students-to-visualise-the-principle-of-action-and-reaction-forces-P-P-A-2-Litre-plastic-bottle-not-included-is-used-as-a-rocket-Students-can-create-a-variety-of-rocket-designs-using-empty-fizzy-drink-bottles-as-part-of-a-design-and-make-project-The-launch-pad-has-a-solid-durable-metal-base-and-is-equipped-with-a-simple-triggering-mechanism-It-is-powered-by-an-ordinary-bicycle-pump-and-can
Price: 48.67 |
| "RVFM Magdeburg Pressure Disks" |
| Magdeburg-Pressure-Disks-RVFM-PH12184-P-A-practical-vacuum-pressure-demonstration-set-consisting-of-two-plastic-10cm-diameter-hemispheres-P-P-Each-hemisphere-has-a-wooden-handle-firmly-attached-to-it-One-of-the-hemispheres-has-a-raised-edge-to-hold-a-rubber-seal-while-the-other-hemisphere-has-a-stopcock-for-attaching-to-vacuum-tubing-When-the-hemispheres-are-pushed-together-and-evacuated-using-a-vacuum-pump-they-are-hard-to-pull-apart-Get-2-students-to-pull-then-open-the-stopcock
Price: 26.75 |
| "RVFM Ice Melting Kit" |
| Ice-Melting-Kit-Thermal-Conductivity-Demonstration-RVFM-PH20095-P-This-ice-melting-kit-can-be-used-to-demonstrate-the-difference-in-thermal-conductivity-and-thermal-capacity-between-two-different-materials-P-P-The-kit-consists-of-two-identically-sized-blocks-one-made-of-aluminium-the-other-made-of-plastic-When-an-ice-cube-is-placed-on-the-aluminium-block-it-turns-into-water-in-seconds-while-an-ice-cube-placed-on-the-plastic-block-melts-slowly-This-is-due-to-the-aluminium-block-havi
Price: 16.34 |
| "RVFM - Complete Optical Bench Set" |
| Complete-Optical-Bench-Set-RVFM-PH30510-p-An-economical-yet-effective-Optical-Bench-Set-that-provides-accurate-demonstrations-of-basic-optical-principles-p-RVFM-Complete-Optical-Bench-Set
Price: 17.11 |
| "RVFM Newton's Colour Disc" |
| Newton-s-Colour-Disc-RVFM-PH30698-p-This-apparatus-demonstrates-the-discovery-made-by-Newton-that-white-light-is-made-up-of-seven-individual-colours-The-apparatus-consists-of-a-pulley-mounted-on-a-metal-stand-The-seven-coloured-disc-is-driven-by-a-belt-connected-to-a-hand-driven-wheel-When-the-disc-is-rotated-fast-the-eye-is-unable-to-distinguish-between-individual-colours-and-perceives-it-as-white-p-RVFM-Newton-s-Colour-Disc
Price: 15.95 |
| "RVFM - Music Tuning Fork - Set of 8" |
| 8-Piece-Tuning-Fork-Set-RVFM-PH36128-p-An-8-Piece-Tuning-Fork-Set-covering-the-octave-from-middle-to-high-C-p-RVFM-Music-Tuning-Fork-Set-of-8
Price: 24.96 |
| "RVFM Primary & Secondary Coil Demonstrating Kit - Electromagnetic ..." |
| Primary-Secondary-Coil-RVFM-PH50250-p-This-primary-and-secondary-coil-apparatus-demonstrates-the-principle-of-Electromagnetic-Induction-and-helps-to-explain-the-concept-of-a-transformer-The-Primary-and-Secondary-coils-are-mounted-on-plastic-spools-with-binding-posts-for-easy-connection-The-primary-coil-slides-inside-the-secondary-coil-The-set-also-includes-a-soft-iron-core-for-induction-experiments-p-RVFM-Primary-Secondary-Coil-Demonstrating-Kit-Electromagnetic-Induction
Price: 32.47 |
| "RVFM Bosshead Clamp, Die-cast Aluminium 16mm" |
| RVFM-Bosshead-Clamps-RVFM-CH12360-P-A-boss-head-clamp-for-use-with-retort-stands-etc-P-RVFM-Bosshead-Clamp-Die-cast-Aluminium-16mm
Price: 2.58 |
