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Head frame, rubber tubing and chest piece for noting the sounds from chest and heart. (a) For adults (b) For Children (For details see our surgical section catalogue)
Home / Biological Apparatus & Material

STETHOSCOPE DUAL PURPOSE

Head frame, rubber tubing and chest piece for noting the sounds from chest and heart.
(a) For adults
(b) For Children
(For details see our surgical section catalogue)

SKU: MG-49 Category: Biological Apparatus & Material
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  • A Van de Graaff generator is an Electrostatic generator which uses a moving belt to accumulate Electric charge on a hollow metal globe on the top of an insulated column, creating very high electric potentials. It produces very high voltage Direct current and  electricity at low current levels. Produces visible electric sparks. A Van de Graaff generator is an electrostatic generator capable of producing high voltages. It creates an imbalance of charges from the interaction between its roller, belt, and metal comb assembly. It initially allows charges to move along the insulated belt, then stores and distributes them uniformly on the sphere's surface. The metal sphere then discharges by creating sparks or crackling noises. Excellent Instrument for teaching Electrostatic to student Motorised model all working parts are clearly visible, The moving Rubber belt carries a positive charge to the top comb (usually a stretched wire) and then transferred to the large dome. A huge charge can be built on this dome by allowing the unit to run for a while, this charge will remain until it is discharged, either through air or by conduction to an earthed object i.e a metal sphere. Motor housed in a metal box, removable aluminium conducting sphere, Discharging sphere, sparks can be observed from a longer distance. MS-418 PVG VAN DE GRAFF GENERATOR, MOTOR DRIVEN
  • Nickel plated brass with steel finger hold and shortened steel points. Overall length 115 mm. approx. PM-344 PVG DIVIDERS
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PTERIDOPHYTA

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HYDROPHYTIC PLANT SPECIMENS

(A) ALGAE AND FUNGI Chara fertile, Dictyota, Fucus, Laminaria, Sargassum with bladder, Ulva, Collection of Algae - set of 4, Collection of Marine Algae - set of 4, Collection of Thallophyta - set of 4, Agaricus big size, Morchella, Polyporus or Peziza, Ustilago on wheat or barley, Puccinia on wheat and barberry leaf, Lichen collection - set of 4.
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BOTANICAL MOUNTS

Alternaria, Albugo conidia on leaf, Albugo sexual on fruit, Albugo hypertrophy, Agaricus, Angular leaf of cotton, Aspergillus, Apple rust, Agaricus amanitia, Bracket fungus, Bean rust uromuces, Cyathus, Claviceps, Clavaria, Collectorichum, Citrus canker, Cercospora, Erysiphae polygonia or pea, Fusarium, Fomes, Geaster (Star agaricus), Graphiola, Helvella, Helminthosporium, Lycoperdon, Melampsora (Linseed rust), Mucor, Morchella, Nigrospora on rice, Peziza clusters, Phytophthora on potato leaf, Phytophthora on colocasia leaf, Penicillium, Phallus, Puccinia on wheat stem, Puccinia barbery, Puccinia pycnogonial, Root nodule, Ring spot of brassica, Ring spot of potato, Rhizopus, Synchytrium on leaf, Synchytrium on fruit, Synchytrium black potato, Sphaerotheca on jawar, Ustilago, Ustilago covered smut, Ustilago loose smut (Tritici), Ustilago oat, Ustilago barley, Ustilago wheat, Ustilago maize, Ustilago sugar cane, Uromyces, Xylaria.
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FUNGI

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BRYOPHYTA MOSSES

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ROOT MORPHOLOGY SPECIMENS

Allium (onion), Lilium (lily), Iris (iris), Zea (maize). ROOTS DICOT Cheiranthus (wallflower), Helianthus (sunflower), Vicia (broad bean) STEMS MONOCOT Iris, Lilium (lily), Zea (maize). STEMS DICOT Aesculus (horse chestnut), Cheranthus (wall flower), Cucurbita (marrow), Helianthus, Nuphar (water lily), Vicia (broad bean). LEAVES MONOCOT Iris, Lilium (lily), Zea (maize). LEAVES DICOT Begonia, Cherianthus (wall flower), Ficus (fig), Helianthus
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ANGIOSPERMAE – ROOTS MONOCOT

(I) Collection of Cereals Includes samples of common types, each in separate circle, displayed in a glass show case of 250 x 350 mm size. (ii) Collection of Pulses Includes samples of 12 common types, each in separate circle. (iii) Collection of Oil seeds Includes samples of major oil yielding seeds. (iv) Collection of Wood types Sample of 12 important types of timbers each of 50 x 25 mm size with nicely finished surface to show characteristic features. (v) Collection of Fiber types Sample of 14 types of vegetative fibres, commonly used in textiles, rope making, paper, brushes, fillings etc. (vi) Collection of Medicinal plants Includes 12 important medicinal plants with their botanical names and important medicinal uses.
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Biological Apparatus & Material

BOTONICAL MOUNTS, ECONOMICAL RANGE

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