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عرض 1711–1725 من أصل 2205 نتائج
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Projection Microscope
A greatly enlarged image of the specimen slide is projected on the screen, providing a high contrast, sharp and distortion free image. The microscope is highly suitable for group discussions as well as for teaching purposes.
General Features:
* Stable and robust stand.
* Monocular fixed straight tube body. Mechanical tube length 160 mm.
* Separate knobs for coarse and fine focussing.
* Fixed square stage 110 x 110 mm with graduated detachable mechanical stage.
* Triple revolving nose-piece with click stops and positive centering.
* Fixed built-in Abbe condenser NA 0.65.
* Illumination by 6V 20 W halogen lamp with solid state variable light control knob for adjusting the intensity.
* Grainless, optically true circular glass projection screen rotatable through 360° on microscope tube.Optics
Eyepiece : Huygenian x10.
Objectives : Achromatic: x5, x10, x20.SKU: B10434 - Uncategorized
Projection Slides Set , Zoology
1. Anatomy of frog (30),
2. Anatomy of rabbit (20),
3. Amoeba & paramecium (20),
4. Animal histology (30),
5. Animal kingdom (30),
6. Animal world (40),
7. Beaks & feet of birds (20),
8. Birds (30),
9. Cockroach (20),
10. Earthworm (20),
11. Embryology of chick (20),
12. Embryology of frog (15),
13. Embryology of rabbit (20),
14. Evidence of evolution (20),
15. Fishes (30),
16. Human physiology (50),
17. Hydra & obelia (20),
18. Insects, harmful (20),
19. Insects, useful (20),
20. L.H. of butterfly (10),
21. L.H. of honey Bee (10),
22. L.H. of housefly (10),
23. L.H. of mosquito (10),
24. L.H. Silkworm (10),
25. Liverfluke & tapeworm (20),
26. Mammals (30),
27. Meiosis (15),
28. Mendel heredity (20),
29. Mitosis (10),
30. Prehistoric animals (20),
31. Protozoa (10),
32. Reptiles & amphibians (40),
33. Snakes (20),
34. Zoology (30)SKU: B18051 - Uncategorized
Projection Slides Set, Botany
1. Algae Fungi (20),
2. Angiospermic families (15),
3. Bacteria (20),
4. Bacteria, algae & Fungi (30),
5. Botany (30),
6. Bryopheta & Pteridophyta (20),
7. Cell structure (20),
8. Dispersal of seeds (20),
9. Fern (10),
10. Fruits (20),
11. Germination of seeds (20),
12. Higher plants (20),
13. Inflorescence (10),
14. Insectivorous & Parasitic plants (20),
15. L.H. mucor (15),
16. Leaves (20),
17. Marchantia (15),
18. Meiosis (15),
19. Mitosis (15),
20. Plant Anatomy 1 (20),
21. Plant Anatomy 2 (20),
22. Plant Histology (30),
23. Plant Kingdom (30),
24. Plant Physiology (30),
25. Pollination (10),
26. Roots (20),
27. Spirogyra (20),
28. Stems (20),
29. Vegetative reproduction (20),
30. Water plants (10)SKU: B18041 - Uncategorized
Protozoa
All Charts are made on PVC rexine, hand drawn, waterproof, in fast multicolours with a black background. Each chart is provided with rollers to hang on wall. Size 75×100 cm.
1) Amoeba structure & locomotion
2) Plasmodium (Malarial Parasite), stages of development
3) Paramecium structure
4) Paramecium Reproduction
5) Euglena structure & Life History
6) Entomoeba Histolytica – structure & L.H.SKU: B13082 - Uncategorized
Pulley Rod Mounting
50mm plastic pulley with ball bearing fitted on an aluminium boss with tapped holes and a clamping screw to accommodate rods up to 13 mm diameter. Tapped holes are provided so that the pulley may be fitted on to the boss with its axis of rotation in any one of the three planes. It is of great use on an inclined plane and suitable for use in an ordinary lab apparatus.
SKU: PH10317R - Uncategorized
Pulse Width Modulation And Demodulation
This Instrument is design to demonstrate the method to transmit signals via. Electromagnetic transmission and to study the Pulse Width Modulation and Demodulation. Whole instrument is placed in plastic moulded box and 2 mm banana plug leads are provided for modulation and demodulation connections.
Technical Specification:-
1. Built in IC based DC Regulated Power supply ±12 V, +5 V.
2. Four level Built in carrier pulse Output.
3. Frequency Range: 8 KHz, 16 KHz, 32 KHz, 64 KHz Amplitude : 5 Vpp approx.
4. Built in sine wave Audio Frequency Function Generator for modulating signal. Frequency Range: 1 KHz and 2 KHz selectable with a toggle switch Amplitude : 0-10 Vpp and 0-4 Vpp approx.
5. Circuit Diagram for Modulation and Demodulation is printed on the milky white top panel.SKU: PH93120
