# "(George) (W.) (Furnas)" returned 20 hits

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**w**.r.t meridians

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1

The Antikythera Mechanism is a unique Greek geared device, constructed around the end of the second century bc. It is known that it calculated and displayed celestial information, particularly cycles such as the phases of the moon and a luni-solar calendar.

Mediaitems:
Antikythera, Antikythera mechanism, Antikythera front view

Category:
Technology

2

Description of how to determine mapping locations by triangulation, from similar triangles, and with use of angles **w**.r.t meridians

Mediaitems:
Gemma Frisius at his desk surrounded by instruments and books, Image from Peter Apianius Cosmographia, edited by Gemma Frissius, Gemma-Frisius Diagram of triangulation, Cosmographia web site, Frisius biography

Category:
Statistics & Graphics

3

Trigonometric tables (published 1596 posthumously)

Mediaitem:
Rheticus biography

Category:
Statistics & Graphics

4

Fitting a smoothed curve to a scatterplot, advocacy of graph paper and graphical methods as standard tools of science. ["The process by which I propose to accomplish this is one essentially graphical; by which term I understand not a mere substitution of geometrical construction and measurement for numerical calculation, but one which has for its object to perform that which no system of calculation can possibly do, by bringing in the aid of the eye and hand to guide the judgment, in a case where judgment only, and not calculation, can be of any avail.'' (p. 178)]

Mediaitems:
Herschel's graph of position vs time for $gamma$; Virginis, Derived double-orbit for $gamma$ Virginis, Herschel portrait, John Fredrick Herschel biography (French), Herschel biography, Herschel images

Category:
Statistics & Graphics

5

First classed depiction of population density on a world map (using three broad classes in a dasymetric map)

Mediaitems:
Wikipedia: Scrope biography, Scrope biography

Category:
Cartography

6

Two-variable color map (showing the joint distribution of horses (red, vertical bars) and cattle (green, horizontal bars) in Bavaria, widths of bars $sim$ animals/km$^2$)

Mediaitem:
von Mayr Portrait

Category:
Statistics & Graphics

7

First use of proportional, divided square in the modern (mosaic) form for data representation

Mediaitems:
von Mayr's Area diagram, von Mayr portrait, Mosaic graph by Von Mayr

Category:
Statistics & Graphics

8

First use of polar diagrams and star plots for data representation

Mediaitem:
von Mayr's polar diagram

Category:
Statistics & Graphics

9

Pictogram, used to represent data by icons proportional to a number

Mediaitems:
Mulhall pictogram image, Mulhall pictogram image, steam power (730 x 457; 52K), Man, animal and machine pictogram, Google Books: Mulhall's Dictionary of Statistics, Mulhall pictogram image, railways (726 x 456; 58K)

Category:
Statistics & Graphics

10

Beginnings of EDA: improvements on histogram in analysis of counts, tail values (hanging rootogram)

Mediaitems:
Hanging rootogram for the fit of a Poisson distribution, Biography, tributes, images, bibliography of JWT, Tukey portrait

Category:
Statistics & Graphics

11

Triangular glyphs to represent simultaneously four variables, using sides and orientation