لإضافةl: 19th September 2009 اضيف بواسطة:Semanoor15 المشاهدات: 184 تعليقات:0
Vector generated image of LORD KELVIN HIGH VOLTAGE SIPHON RECORDER SWITCH
:The siphon recorder is an item of telecommunications equipment invented by William Thomson, 1st Baron Kelvin in 1858.The principle of the telegraph siphon recorder is exactly the inverse of the mirror galvanometer. In the...
لإضافةl: 19th September 2009 اضيف بواسطة:Semanoor15 المشاهدات: 147 تعليقات:0
Vector generated image of Bar:To show linear and superficial expansion. Comprises of an iron bar fixed to a support rod with a wooden handle and a gauge with a cut out to admit the bar and holes which pass the bar endways when cold but do not when hot.
لإضافةl: 19th September 2009 اضيف بواسطة:Semanoor15 المشاهدات: 143 تعليقات:0
Vector generated image of Gauge:To show linear and superficial expansion. Comprises of an iron bar fixed to a support rod with a wooden handle and a gauge with a cut out to admit the bar and holes which pass the bar endways when cold but do not when hot.
لإضافةl: 19th September 2009 اضيف بواسطة:Semanoor15 المشاهدات: 174 تعليقات:0
Vector generated image of Spectroscope:Spectroscopes are often used in astronomy and some branches of chemistry. Early spectroscopes were simply prisms with graduations marking wavelengths of light. Modern spectroscopes, such as monochromator, generally use a diffraction grating, a movable slit,...
لإضافةl: 19th September 2009 اضيف بواسطة:Semanoor15 المشاهدات: 281 تعليقات:0
Vector generated image of Thermal Conductivity of Metals Apparatus:Demonstrates the varying speeds of heat conduction along metal strips. Consists of strips of four different metals, which are fixed opposite each other on a circular wooden frame, with the strips meeting at the center The outer...
لإضافةl: 22nd September 2009 اضيف بواسطة:Semanoor15 المشاهدات: 216 تعليقات:0
Vector generated image of Stroboscope Hand whirling fixed slits:A stroboscope, also known as a strobe, is an instrument used to make a cyclically moving object appear to be slow-moving, or stationary. The principle is used for the study of rotating, reciprocating, oscillating or vibrating...
لإضافةl: 22nd September 2009 اضيف بواسطة:Semanoor15 المشاهدات: 253 تعليقات:0
Vector generated image of Electric bench Centrifuge:A centrifuge is a piece of equipment, generally driven by an electric motor (but some older models are still spun with hand), that puts an object in rotation around a fixed axis, applying a force perpendicular to the axis. The centrifuge works...
لإضافةl: 22nd September 2009 اضيف بواسطة:Semanoor15 المشاهدات: 292 تعليقات:0
Vector generated image of Rheoscopic Fluid Motion Tube:Rheoscopic fluid literally means "current showing" fluid. Such liquids can be effective in visualizing dynamic currents for the study and demonstration of fluid flow. They are suspensions of microscopic crystalline platelets, which,...
لإضافةl: 22nd September 2009 اضيف بواسطة:Semanoor15 المشاهدات: 164 تعليقات:0
Vector generated image of Simple Form Astrolab: It is a historical astronomical instrument used by classical astronomers, navigators, and astrologers. Its many uses include locating and predicting the positions of the Sun, Moon, planets, and stars; determining local time given local latitude and...