Glass Bells with Corks
Product Code : SCL-CL-11492
Glass Bells with Corks (SKU SCL-CL-11492) are clear glass bell jars, 150 mm in diameter and 200 mm long, closed at the top with a cork. Teachers use them to enclose a sample of air, a candle or a small plant, and as the chest cavity of the classic bell-jar lung model. They serve middle-school science, biology and chemistry classes and teacher-training labs. Science Lab Supplies supplies them from Ambala, India to schools, colleges, training institutes, distributors and tender contractors.
Specifications
The bell is made of clear glass, 150 mm across and 200 mm long, so the contents stay fully visible during a demonstration. The cork closes the upper opening and can be bored to take a glass tube or thermometer when an experiment needs a connection through the top.
| Parameter | Value |
|---|---|
| SKU | SCL-CL-11492 |
| Also known as | Bell jar |
| Material | Glass, clear |
| Diameter | 150 mm |
| Length | 200 mm |
| Closure | Cork |
| Supplied by | Science Lab Supplies, Ambala, India |
Applications and Experiments for Glass Bells with Corks
A glass bell turns a bench into a closed space that students can watch. It covers a burning candle to show that combustion needs air, encloses a plant in photosynthesis and transpiration experiments, and, with a Y-tube, balloons and a rubber sheet, becomes the working model of breathing.
- Class 7 and Class 10 biology: the bell-jar model of the lungs and diaphragm.
- Class 8 science: a candle burning under a jar goes out once the air supply is used.
- Class 10 biology: covering a potted plant to study the conditions needed for photosynthesis.
- Teacher-training and college labs: general enclosure for gas and air demonstrations.
Place the bell on a flat, stable surface and let it cool after a candle experiment before lifting it. Demonstrations with flames should be carried out under supervision.
Standard Scope of Supply
Each item is a clear glass bell supplied with its cork, as the product name describes. Y-tubes, balloons, rubber sheet and base plates for a lung model are not included and can be added to the enquiry as separate items.
Packing, MOQ and Lead Time
Ask for one bell jar for a demonstration table or several for a biology and chemistry department. Science Lab Supplies will quote the packing, delivery time and price for that quantity, and the lung-model parts and other school chemistry lab equipment in India can share the quotation.
As a registered exporter with an Importer-Exporter Code, Science Lab Supplies can ship to buyers in Oman, the Philippines, Nepal, Bangladesh, Zambia and Rwanda. Science Lab Supplies is registered for GST (GSTIN 06ADEPJ0574F2ZU). Pricing requests reach the team fastest through the enquiry cart or the contact page, and the lab tender page lists what tender buyers should send.
Frequently Asked Questions
Can this bell jar be used for the lung model?
Yes. A Y-shaped glass tube is passed through the cork, a balloon is tied to each branch inside, and a rubber sheet over the open end acts as the diaphragm.
What size is the glass bell?
It is 150 mm in diameter and 200 mm long, made of clear glass with a cork at the top.
Who supplies the Glass Bells with Corks?
They are supplied by Science Lab Supplies in Ambala, India, which quotes schools, colleges, training institutes and distributors for one piece or larger orders.
Can the cork be drilled?
Cork can be bored with a cork borer to take a glass tube or thermometer. Match the hole to the tube diameter so the fit stays airtight.
Related Bell-Jar Demonstration Items
Most bell-jar experiments use a few extra pieces: a Y-tube for the lung model, a burning spoon for combustion demonstrations, a bored stopper for connections and a shallow glass dish as a base or water trough. These four Chemistry Lab items can be quoted with it.
- Y-Shaped Glass Tubes — the airway of the lung model.
- Spoon for Burning — lowers burning substances into an enclosed jar.
- Crystallizers — a wide glass dish to stand the bell in.
- Rubber Stoppers of Various Diameters with Holes — an alternative closure for tube connections.
Browse the full Chemistry Lab range or all school lab equipment.
Last updated: 25 September 2026
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