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Showing 1081–1092 of 4357 results

Depicting the several phases of moon, such as the Half Moon, the Full Moon, etc. Mounted on plastic base, with on/off switch works with gear movement

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Earth Sciences

MA-11 PHASES OF MOON MODEL

Working motorized model, showing Day & Night formation, consist of Sun Earth and Moon, with on/off switch mounted plastic base

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Earth Sciences

MA-12 DAY & NIGHT MODEL

For the extraction of geological specimens. Set of six Wear protective goggles while using these chisels

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Earth Sciences

MA-13 COLD CHISELS

SIEVES A sieve, fine mesh strainer, or sift, is a tool used for separating wanted elements from unwanted material or for controlling the particle size distribution of a sample, using a screen such as a woven mesh or net or perforated sheet material. Sieves are used in research and development, environmental monitoring, and quality control. Specific applications include sieving soil samples in the construction industry, separating particles in chemical and pharmaceutical processes and measuring the particle size distribution in food production. The sieving process involves passing a material through a mesh or other device with an opening size of less than the material’s particle size. The particles will either pass through to the other side, be caught in the mesh, or be deflected according to the shape of the opening. PVG’S Test Sieves are of High quality ,accurate, made of brass & stainless steel material to ensure durability.Our range of sieves are in the category of laboratory and quality control test sieves. Our Brass and Galvanised Sieves are in Diameter of 200 and 300 mm and stainless steel Sieves in 200, 300 and 600 mm diameter. Can be used individual or can be stacked with lid and receiver. These our Test sieve as per ASTM/BSS. PVG Test Sieves consist of a robust, all-stainless-steel or Brass to guarantee a high stability and longevity, even under constant use.

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Earth Sciences

SOIL SIEVES SET OF 6 Used to separate and grade soil samplesin order to determine the make-up of soil strata by Geology students or in mining industry. Se of Six.Economical,most commonly used Stainless steelsieves . These are stackable Sieves each have a different size stainless steel /brass wire mesh screen. Wire mesh sizes are 5, 10, 35, 60, 120 and 230 holes per cm. Each sieve is 200 mm in diameter and 50 mm heigh. Complete with a solid bottom collector container and top cover with a lifting knob.

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Earth Sciences

MA-15 SOIL SIEVES, SET OF 6

MA-16 SOIL THERMOMETER, SPIRIT

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Earth Sciences

MA-16 SOIL THERMOMETER, SPIRIT

As above but with brass case and mercury thermometer, range -10 0 0 to 110 Cx 1 C. Dimensions : 450 x 10 mm.

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Earth Sciences

MA-17 SOIL THERMOMETER, MERCURY

MA-18 SOIL HYDROMETER

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Earth Sciences

MA-18 SOIL HYDROMETER

MA-19 ROCK SPECIMEN BOXES

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Earth Sciences

MA-19 ROCK SPECIMEN BOXES

Set of 12 rocks each of size 25 - 30 mm, in softwood box with glass top, paper mounted, size 225 x 150 x 40 mm.

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Earth Sciences

Set of 20 rocks each of size 25 - 30 mm, in softwood box with glass top, paper mounted, size 300 x 150 x 40 mm

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Earth Sciences

MA-22 SET OF 45 ROCKS PVG INTERNATIONAL’Soffers excellent collection of Rocks,Minerals and ores used as teaching aid for beginers or in advance stage of studies. Collection of 45 Rocks in Wooden Box with 45 Big Specimen Set of Rock Igneous ,Sedimentaryand Metamorphic Rock with 15 specimens as the representative of each type of rock. Igneous rocks which are formed when magma or lava cools and solidifies. gneous rocks are fire-born, meaning that they are formed from the cooling and solidification of molten (melted) rock. Sedimentary rocks are formed from the accumulation of weathered rock fragments, organic matter, or minerals in layers. These layers are then compacted and cemented together to form rock. Metamorphic rocks are formed when igneous and sedimentary rocks are subjected to high temperatures and pressures, causing them to change form. Common sedimentary rocks include sandstone, limestone, and shale. These rocks often start as sediments carried in rivers and deposited in lakes and oceans. When buried, the sediments lose water and become cemented to form rock. This is an ideal collection for the Study of Earth Stones for Geologists, educationists to teach students and for classroom use for all earth science studies. This rock collection for classrooms is the perfect educational tool to help engage students in a hands-on way. Clearly labelled and affixed to sturdy cardboard or wooden backing with polished wooden box having front glass.

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Earth Sciences