What is pantograph?
Definition of pantograph 1 : an instrument for copying something (such as a map) on a predetermined scale consisting of four light rigid bars jointed in parallelogram form also : any of various extensible devices of similar construction (as for use as brackets or gates)
How do you spell Pantagraph?
“Pantagraph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pantagraph.
How does a pantograph work in cartography?
The pantograph works by connecting one arm of the pantograph to a pointer and another section of the pantograph contains a drawing implement. Scale is increased or decreased by adjusting the arms and thereby the relationship of the linkage between the pointer and the drawing implement.
What is pantograph mechanism?
A pantograph (Greek roots παντ- “all, every” and γραφ- “to write”, from their original use for copying writing) is a mechanical linkage connected in a manner based on parallelograms so that the movement of one pen, in tracing an image, produces identical movements in a second pen.
What is a micrograph definition?
Definition of micrograph : a graphic reproduction of the image of an object formed by a microscope. Other Words from micrograph Example Sentences Phrases Containing micrograph Learn More About micrograph.
Why is it called a pantograph?
The pantograph is a common type of current collector. Typically, a single or double wire is used, with the return current running through the rails. The term stems from the resemblance of some styles to the mechanical pantographs used for copying handwriting and drawings.
How long does a pantograph last?
Under normal wear and tear, a carbon shoe can last from 9 months to a year before it needs to be replaced.
What are the parts of a pantograph?
Pantographs are a special devices mounted on electric trains to collect current from one or several contact wires. They consist of a pantograph head, frame, base, and drive system, and their geometrical shape is variable.
What does it mean if a micrograph is false colored?
What does it mean if a micrograph is “false-colored?” It means that the object has color created by the computer since electron microscopes really see in black and white.
What do micrographs show?
A micrograph or photomicrograph is a photograph or digital image taken through a microscope or similar device to show a magnified image of an object. This is opposed to a macrograph or photomacrograph, an image which is also taken on a microscope but is only slightly magnified, usually less than 10 times.