Biological Apparatus & Material Archives - Page 20 of 24 - PVG INTERNATIONAL

Showing 229–240 of 279 results

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Biological Apparatus & Material

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Biological Apparatus & Material

QUADRANT FOLDING

Square shape, of thick iron gauge wire, for noting population surveys on flat terrain. Side length 100 mm.

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Biological Apparatus & Material

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RACK FOR PETRI DISHES, 30

Acrylic with white polycarbonate posts, can hold 60 petri dishes of 90 mm size.

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Biological Apparatus & Material

RACK FOR PETRI DISHES, 60

RAKE

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ROCKING MICROTOME (CAMBRIDGE TYPE)

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ROCKING MICROTOME (CAMBRIDGE TYPE)

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ROOT MORPHOLOGY SPECIMENS

1) T.S. Dicot root 2) T.S. Monocot root 3) T.S. Dicot stem 4) T.S. Monocot stem 5) T.S. Dicot leaf 6) T.S. Monocot leaf 7) Root modification 8) Stem modification (Arial) 9) Leaf modification 10) T.S. Dicot stem sec. Growth 11) Vegetative propagation 12) Artificial propagation 13) Specialized stems 14) Typical leaf parts 15) Types of leaves 16) Simple leaves 17) Stipules 18) Leaf venation 19) Compound leaves 20) Phyllotaxy 21) T.S. Dicot root secondary growth

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Biological Apparatus & Material

ROOTS, STEMS, LEAVES

For precise sections of cutting tissue blocks embedded in paraffin by smooth and easy rotary movement with a wheel. Facilitates long time continuous working with minimum tireness and effort. Provides jerk-free and uniform thin sections down to 1 micron. Long life, with minimum wear and tear but routine maintenance. Durable, robust construction with internal mechanism fully protected as encased in a sturdy metallic hinged cover, thus safe from moisture and dust. Heavy base with solid rubber feet provides stability to machine during working. Razor of fine grain tool steel, heat treated and tested for micro structures. Razor is of double wedge pattern to maintain optimum long time sharpness. Accurate and precise razor holder with lateral movement to permit use of complete knife edge of 120 mm. Angle of razor can be set at any required degree. Razor with a hollow back and a solid removable handle for safe handling. Object holder provide movement in various directions for setting the block holder in the required alignment of the razor. Feed range is enough to cut sections upto 25 microns in steps of 1 micron each. precise and graduated knob in microns provided in front of the machine for convenient setting of the thickness of sections to be cut. Return wheel permits rapid movement of the block holder and the attached mechanism, forward and backward within the working distance of the microtome. Mass approx. : 20 Kg. Supplied packed in wooden box with operational and maintenance manual. (a) Razor 120 mm with back and handle - one (b) Object holders set of three - one set (c) Honing plate - one (d) Oil can - one (e) Dust cover - one (f) Leather strop - one Optional : Independent safety razor blade holder (Extra cost).

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Biological Apparatus & Material

ROTARY MICROTOME (ERMA TYPE)

For the observation of habits of earthworms. Consist of a free standing vertical, wooden frame having two slots for glass plates with 25 mm separation. Dimensions 385 x 250 mm Ht. x Width

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Biological Apparatus & Material

ROTHAMSTED WORMERY