3-Piece 90° Corner Mirror Set, 120 mm Side Length
- Three front-surface mirrors in moulded housing, faces mutually at 90 degrees for corner-cube retroreflection.
- Returns incident ray back toward source regardless of angle of incidence, clear retroreflector demonstration.
- Practical optics teaching aid for reflection geometry, ray tracing and retroreflection behaviour.
- Same principle used in roadside and post reflectors, reflects back toward headlights from angled illumination.
- Compact demonstrator for classroom and lab experiments on reflection and reflector applications.
$18.00 (Ex GST)
Bonded Compound Bar for Thermal Expansion
- Bonded compound bars demonstrate differential thermal expansion, bar curves when heated
- Two metal layers visible by colour contrast, copper colour and silver colour surfaces
- Modern bonded construction, permanently bonded without rivets, replaces older riveted bar style
- Sizes include 150 x 12.5 mm plain or with handle, plus 100 x 12.5 mm with handle
- Used in expansion and contraction lessons to show different metals expand at different rates under heat
From $8.00 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Brass Bar with Expansion Gauge and Insulated Handle
- Brass bar and gauge set for thermal expansion and contraction demonstrations in heat practicals.
- Heating bar increases length and diameter, bar no longer fits gauge for clear visual proof.
- Chilling gauge in ice contracts opening, bar cannot pass, compares cooling versus heating effects
- Insulating handle improves safe handling during heating and transfer between burner, ice bath, bench.
- Precision machined and size matched parts for reliable fit at reference condition, repeatable results.
$38.00 (Ex GST)
Calorimeter Cups and Calorimetry Accessories of Copper
- Spun copper calorimeter cups with rolled edge, polished, nickel plated outside finish on single cup models
- Sizes: 50 x 75 mm and 75 x 100 mm diameter x height
- Inner and outer cup pair with insulation pad, mouths level, one plastic lid aligns both
- Lid has centre thermometer hole, carries stirrer with vertical action, avoids contact with thermometer
- Optional insulation box and lid for 50 x 75 mm, or Joule’s insert with 2 ohm coil and 4 mm terminals
From $9.00 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Cast Iron Bar Breaker
- Classic cast iron bar breaker demonstrates expansion and contraction using a heated steel bar in frame
- Cast base with gas burner heats bar until expansion breaks cast iron pin with loud report
- Fit pin while bar is hot, cooling contraction again breaks pin, showing force of temperature change
- Steel bar locked by cast iron pin, expansion bends cast iron rod until pin fails
- Fuel versions here: LP gas or natural gas, with separate coal model also noted
From $181.00 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Classic Mechanical Equivalent of Heat (J) Apparatus
- Classic mechanical equivalent of heat “J” apparatus, Griffin-style teaching design for energy conversion practicals.
- Solid copper calorimeter supports repeatable heating trials using the same thermal mass each run.
- Mechanical friction heating and electrical heating both available for direct comparison of temperature rise.
- Thermometer temperature measurement supports simple recording, graphing, and calculation of heat versus input energy.
- Demonstrates work-to-heat equivalence, links mechanical work, electrical energy, and thermal energy in lessons.
$435.00 (Ex GST)
Combined Mini Spectral Lamp Holder with Power Supply, No Lamp Supplied
- Compact direct-vision spectroscope for viewing spectra and estimating wavelength using calibrated nm scale.
- Adjustable entrance slit controls light level and band sharpness for clearer spectral separation.
- Eyepiece fitted with 600 line/mm grating to disperse light into colour and wavelength components.
- Spectrum viewed against nanometre scale, each digit represents 100 nm for quick classroom readings.
- Black chamber improves viewing conditions by limiting stray light during spectroscopy demonstrations.
$357.00 (Ex GST)
Complete Diffraction Practical Kit with Slits and Optical Filters
- Self-contained diffraction kit in small plastic box, low-cost setup for teaching diffraction principles.
- Monofilament lamp provides line light source, viewed through supplied photographic single and double slit sets.
- Adjustable slit included, vary slit width to compare diffraction band spacing and pattern sharpness.
- Colour filters supplied, observe different diffraction patterns for different light colours in practical lessons.
- Built-in scale behind light source measures bright and dark band spacing for basic quantitative analysis.
$63.00 (Ex GST)
Flat Glass Plates Set of 6 for Interference Experiments
- Flat glass plates set of 6 for Newton rings and thin air-film interference practicals.
- Two plates form an air wedge using thin paper spacer at one end, contact at other.
- Produces Newton rings style fringes as light passes glass, thin air layer, and returns through glass.
- Best viewed with monochromatic source, sodium light commonly used, to make band contrast and spacing clear.
- Enables measurement of bright and dark band spacing, supports air-wedge geometry discussions in optics lessons
$48.00 (Ex GST)
Frosted Acrylic Projection Screen with Feet, 200 × 200 mm
- Acrylic frosted screen, approx 200 × 200 mm, bench-top upright panel with support foot.
- One side shot blasted, creates diffuse frosted surface for clear projection viewing.
- Used for projecting images and light patterns in optics demonstrations and practicals.
- Simple stand design supports stable positioning on a table during alignment and focusing tasks.
- Suitable as a viewing screen for image formation observations in classroom optics setups.
$27.00 (Ex GST)
Gravesande’s Ball and Ring Apparatus, Brass Set
- Brass bar and gauge set for thermal expansion and contraction demonstrations in heat practicals.
- Heating bar increases length and diameter, bar no longer fits gauge for clear visual proof.
- Chilling gauge in ice contracts opening, bar cannot pass, compares cooling versus heating effects.
- Insulating handle improves safe handling during heating and transfer between burner, ice bath, bench.
- Precision machined and size matched parts for reliable fit at reference condition, repeatable results.
$32.00 (Ex GST)
Heat Conductivity Rods
- Thermal conductivity rods for comparing heat transfer rates between different metals in demonstrations
- Standard rod size 300 mm length and 6 mm diameter, consistent geometry for fair comparison tests
- Available as individual rods in copper, brass, iron or aluminium for replacement or single metal studies
- Also supplied as a standard set of four rods, copper brass iron aluminium, for side by side comparison
- Used to explore conductivity differences between metals in heat conduction experiments and teaching activities
From $10.00 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Hodson Light Box and Optical Kits
- Hodson light box supports basic optics and colour blending, designed for rough student handling
- Unique 12V 30W QI lamp socket, allows one box to plug into another
- Stackable moulded banana plug leads, lens adjuster fixed, mirrors efficient and virtually unbreakable
- Includes three slit formers for multiple rays, heat resistant sets of eight colour filters and plates
- Options: full kit, light box only with slit formers, or kit with mini 240/12V transformer
From $72.00 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Hodson Optical Bench and Lens Kit
- 1.5 m optical bench with adjustable metric scale, supports reflection, refraction, lens and image formation experiments
- Comprehensive kit includes convex and concave lenses, targets, white screen and sliding component supports
- Includes large prism and prism table plus photographic slides for multiple classroom optical demonstrations
- Choice of package: complete system with standard Hodson light box as light source or bench kit only
- Low cost, versatile optics teaching setup suited to repeating demonstrations with consistent component positioning
From $203.00 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Holographic Diffraction Gratings
- Holographic diffraction grating film produces clear, bright diffraction patterns for optics demonstrations
- Mounted as a 35 mm slide format, convenient for handling and alignment in classroom experiments
- Two grating densities available, 500 lines/mm and 1000 lines/mm, to compare diffraction spacing effects
- Supplier notes on film protection vary by model code, including versions with no film protection
- 1000 lines/mm range includes a model with film between very thin glass sheets as specified
From $10.00 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Hot/Cold Thermopile on Heat Sink with Socket Terminals
- Peltier thermoelectric cell, demonstrates heating and cooling when DC is applied across multiple junctions.
- Flat plate construction, one face heats, opposite face cools, temperature difference clearly observable.
- Mounted on heat sink, supports stable demonstration and improves heat spreading on hot side.
- Two 4 mm sockets for easy DC connection with standard lab leads, polarity controls hot/cold side.
- Cold face can form ice under suitable conditions, strong visual for classroom thermoelectric lessons.
$99.00 (Ex GST)
Laboratory Light Sources
- Low power MES light sources for basic electricity teaching, 2.5 V lamp in screw socket format
- Connection options include two wire leads, 4 mm sockets, or 4 mm spin free IEC terminals depending on model
- Enclosed low power versions housed in a transparent plastic vial for protection during student handling
- High power option uses 12 V BA15d bayonet lamp, typically 15 to 21 W, base with 4 mm terminals
- Very high power 12 V 100 W quartz halogen in ventilated metal housing, shutters, stand mount rod and 1 m lead
From $10.00 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Laser View Prism and Bar Kits
- Specially moulded plastic prisms and bars make a laser beam visible through the material path
- Prism shapes match Hodson light box kit, bars include long straight and curved new mouldings
- Bars demonstrate internal reflection and optical fibre behaviour, supports photonics curriculum teaching
- Kit options: full set 8 parts, part set 6 shapes, or bars only set with two bars
- Designed for classroom optics demonstrations where beam tracing inside solids is required
From $83.00 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Plastic Spectroscope with Calibration Scale and Adjustable Slit
- Compact direct-vision spectroscope for viewing spectra and estimating wavelength using calibrated nm scale.
- Adjustable entrance slit controls light level and band sharpness for clearer spectral separation.
- Eyepiece fitted with 600 line/mm grating to disperse light into colour and wavelength components.
- Spectrum viewed against nanometre scale, each digit represents 100 nm for quick classroom readings.
- Black chamber improves viewing conditions by limiting stray light during spectroscopy demonstrations.
$55.00 (Ex GST)
Polaroid Polarising Filters
- Polaroid filters for polarisation studies, supplied as pairs for crossed and aligned transmission demonstrations
- Standard square pair sizes: 50 x 50 mm, 75 x 75 mm, 100 x 100 mm
- Film thickness is 0.18 mm across the range for consistent optical handling and cutting
- Sheet option provides 300 x 300 mm equivalent area for user-cut pieces, may not be one piece
- Bench mount option: rotating graded disc, 50 mm filter, measures transmission change from maximum to zero at 90 degrees
From $18.00 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Simple Copper–Constantan Thermocouple, 200 mm Length
- T-type thermocouple sensor, copper and constantan, welded junction tip for direct temperature sensing.
- 200 mm length, standard thermocouple cable format, easy integration into teaching and lab setups.
- High-temperature glass insulation supports use near heated surfaces and higher temperature environments.
- Heated junction generates small thermoelectric voltage, proportional relationship to temperature for measurement.
- Output suitable for temperature controllers, supports accurate temperature control in experiments and processes.
$8.00 (Ex GST)
Spectrum Discharge Tube Set
- Spectrum discharge tube equipment for observing gas emission wavelengths from the thin tube section
- Six tube set supplied in foam case, gases listed as H, Hg, He, N, Ne, Ar, bright discharge performance
- Tube size specified 208 mm overall length and 12 mm diameter at large ends for consistent fit
- EHV power unit runs from 240V AC, includes stainless rod and sliding clamp tube support, recessed HV socket
- Safety critical high voltage use, power off before changing tubes, do not insert finger into socket, hydrogen needs highest voltage supported
From $209.00 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Steam-Heated Linear Expansion Apparatus with Dial Gauge Indicator
- Steam heating method for linear expansion comparison of metal tubes in thermal physics practicals.
- Dial indicator measurement, 0.01 mm increments, supports precise extension readings and repeatability.
- Thermometer included for cold and hot tube temperature tracking during expansion measurements.
- Steam supply via boiling flask side branch, compatible with standard lab steam generation setups.
- Links measured extension to temperature change for linear expansion calculations and classroom data analysis.
$264.00 (Ex GST)
Thermal Conductivity Ring Set, 4 Different Metals
- Cast conductivity ring holding four strips, brass, copper, iron, aluminium, for direct thermal conductivity comparison.
- Strip ends meet at central point, heat applied at junction ensures identical input for fair metal comparison.
- Wax placed in tip depressions, melting order and time indicate conduction efficiency along each metal strip.
- Each strip stamped with metal initial, supports correct identification and repeatable classroom demonstrations.
- Classic heat transfer practical for conduction concepts, clear visual results using simple flame heating method.
$41.00 (Ex GST)
Unmounted Colour Filter Sheets
- Unmounted acetate colour filter sheets, cut as 100 x 100 mm squares for optics and light experiments
- Available as a 10 piece set or as single colours, allowing replacement or selection by required wavelength band
- Set includes primary red, green, blue plus chrome yellow, magenta, violet, yellow, cyan, orange and bright blue
- Unmounted format suits slide holders, apertures and light boxes where framed filters are not required
- Consistent square size supports quick swapping of filters during colour mixing and transmission demonstrations
From $7.00 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Young’s Double-Slit Fringe Set (3 Slits), 1.0 mm, 0.5 mm and 0.2 mm Pitch
- Three double-slit apertures for producing Young’s fringes, classic optics interference demonstration.
- Designed for monochromatic or laser illumination, generates clear diffraction and interference patterns.
- Overlapping diffracted beams form alternating bright and dark bands on a distant projection screen.
- Multiple slit pitches allow comparison of fringe spacing changes under identical light and geometry.
- Supports wave behaviour teaching, diffraction at slit edges and interference fundamentals in optics lessons.
$28.00 (Ex GST)
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