Plane table refers to a tool used for surveying, but some might find the spelling confusing. The correct pronunciation is [pleɪn teɪbəl]. The word has a silent "e" in "plane," which makes the "a" sound like "ay." The "e" in "table" is also silent, but it affects the pronunciation of the "a" by making it sound like "uh." So, "plane table" is pronounced "playn taybuhl." Remembering the silent "e" rule and the phonetic transcription can help with spelling and pronunciation.
A plane table refers to a surveying instrument primarily used for plotting maps and surveying small areas without the need for complex mathematical calculations. It consists of a flat table, typically made of wood or metal, usually mounted on a tripod or a stand, and equipped with leveling devices. The table is designed to have a smooth surface that allows for accurate measurements and easy manipulation of surveying tools.
The plane table is commonly used in fields such as engineering, architecture, and cartography to create detailed topographic maps, showing the relief and features of the land. To perform a survey, the plane table is set up on the field, and a map is secured to the table's surface. The surveyor then observes and records specific points on the map, using a variety of tools such as telescopes, alidades, compasses, and measuring chains.
By utilizing a plane table, surveys can be carried out quickly and efficiently, as the table provides a stable and level platform for precise measurements and observation. The recorded data can easily be transferred directly onto the map, eliminating the need for extensive calculations. Additionally, the portability and simplicity of the instrument make it ideal for fieldwork in areas with limited access or where detailed maps are required promptly.
In summary, a plane table is a surveying instrument that simplifies the process of mapping and surveying by providing a stable platform for accurate measurements and direct recording of data onto a map.
In surv., an instr. Or board for drawing plans on the field.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The etymology of the word "plane table" can be traced back to its components: "plane" and "table".
The word "plane" originates from the Latin word "planus", meaning "flat" or "level". It later entered Old French as "plaine" and eventually English as "plane". In the context of a "plane table", it refers to the top surface of the table, which is flat and level.
The word "table" has a diverse etymology but ultimately originates from the Latin word "tabula". "Tabula" referred to a flat and smooth board, slab, or tablet used for various purposes. It came into Old English as "tabule" and later evolved into "table".
Therefore, the term "plane table" essentially means a flat, level table.