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Bunsen Burner With Stopcock De-lux Quality
- Comprising two glass tubes, one closed the top and other tube open.
- Their lower ends are drawn out a connected together by 1 meter of tubing.
- Both tubes are mounted on sliding brackets which may be locked in any position them on the metal supporting rods.
- Seasoned wood board approximately 44″ high carries a meter scale graduated from 0 to 100 cm fitted heavy iron base levelling screws.
- Supplied without mercury and rubber tube.
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