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. Author manuscript; available in PMC: 2012 Aug 27.
Published in final edited form as: J Vis. 2011 Aug 9;11(5):10.1167/11.5.8 8. doi: 10.1167/11.5.8

Table 4.

Print Sizes (x-heights) in Historical Books and Type Foundry Specimens

Corpus Range Mean Standard Deviation
15th century Italian Text Types 0.25° – 0.36° VA
(1.8 – 2.5 mm)
[5.1 – 7.09 pts]		 0.30° VA
(2.1 mm)
[5.95 pts]		 0.03
(0.18)
[0.51]
16th century French Text Types 0.11° – 0.35° VA
(0.8 – 2.5 mm)
[2.27 – 7.09 pts]		 0.23° VA
(1.66 mm)
[4.7 pts]		 0.06
(0.43)
[1.22]
16th century French Display Types 0.42°– 2.38° VA
(3.0 – 17.0 mm)
[8.5 – 48.9 pts]		 0.8° VA
(5.67 mm)
[16.07 pts]		 0.53
(3.79)
[10.74]
18th century Foundry Text Types 0.11° – 0.35° VA
(0.75 – 2.38 mm)
[2.13 – 6.75 pts]		 0.22° VA
(1.54 mm)
[4.37 pts]		 0.06
(0.41)
[1.16]
18th century Foundry Display Types 0.35° – 2.0° VA
(2.47 – 14.11 mm)
[7.0 – 40.0 pts]		 0.81° VA
(5.68 mm)
[16.1 pts]		 0.44
(3.13)
[8.87]

x-height values are in degrees of visual angle (° VA) assuming a reading distance of 40 cm, followed by millimeters (mm) in parentheses and points [pts] in brackets.