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227:, squared; a two em quadrat is twice the thickness of its depth; a three em three times; and a four em four times, as their names specify. Four ems are the largest quadrats that are cast. They are used to fill out short lines; to form white lines; and to justify letters, figures, &c., in any part of a line or page.
218:
QUADRATS. Pieces of type metal, of the depth of the body of the respective sizes to which they are cast, and lower than types, so as to leave a blank space on the paper, when printed, where they are placed: an en quadrat is half as thick as its depth; an em quadrat is equal in thickness and depth,
194:, in printing, a piece of metal cast like the letters, to fill up the void spaces between words, etc. There are quadrats of different sizes, as m-quadrats, n-quadrats, etc., which are, respectively, of the dimensions of these letters.
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character set as U+2000 EN QUAD and U+2001 EM QUAD, which are also defined to be canonically equivalent to U+2002 EN SPACE and U+2003 EM SPACE respectively.
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78:. The term was later adopted as the generic name for two common sizes of spaces in typography, regardless of the form of typesetting used. An
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thick; that is, one quarter so thick as the Body is high; though we shall call these Spaces, Thick Spaces.
155:, so is there three Sizes to be considered, with respect to the Thicknesses of all these Letters, when the
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lower than the letters, used in spacing between words and filling out blank lines (commonly
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Encyclopædia
Britannica, or, A dictionary of arts and sciences: compiled upon a new plan
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thick, which is just so thick as the Body is high: Some are n thick; that is to say, n
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Mechanick exercises: Or, the
Doctrine of handy-works. Applied to the art of printing
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And as there is three
Heighths or Sizes to be considered in Letters Cut to the same
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451:"The Unicode Standard, Version 6.2: General Punctuation, Range 2000–206F"
474:"Unicode Mail List Archive: RE: Difference between EM QUAD and EM SPACE"
429:
114:
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562:. Edinburgh: Printed for A. Bell and C. MacFarquhar. 1771. p.
127:
for an em quad, and has other related whitespace escape sequences.
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620:
Chambers's
Twentieth Century Dictionary of the English Language
159:
are to be Forged: For some are m thick; by m thick is meant m
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was later commonly used for a third of an m quadrat.
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173:half so thick as the Body is high: And some are
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46:name, and in black the corresponding Unicode
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623:. Edinburgh: W. & R. Chambers. pp.
92:wide; as wide as the height of the font. An
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139:'s book on the art of printing, the terms
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357:A quarter of an m quadrat is known as
109:Both are encoded as characters in the
374:This is worded very similarly to the
219:and, being square on its surface, is
181:In 1771, in the first edition of the
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106:wide: half the width of an em quad.
591:A Dictionary of the Art of Printing
204:A Dictionary of the Art of Printing
674:. You can help Knowledge (XXG) by
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617:Davidson, Thomas, ed. (1903).
111:General Punctuation code block
42:. In yellow is the cast metal
1:
405:Computers and Typography, v.1
71:) was a metal spacer used in
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403:Sassoon, Rosemary (1993).
407:. Intellect. p. 40.
100:) is a space that is one
86:) is a space that is one
604:2027/uc1.31378008169073
572:2027/uc1.31210012633382
184:Encyclopædia Britannica
670:-related article is a
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268:to fill with quadrats.
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260:) an abbreviation of
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497:Spacing in math mode
449:Unicode Consortium.
49:whitespace character
646:Space (punctuation)
538:www.lettermodel.org
534:"em and en Squares"
532:Blokland, Frank E.
288:)—distinguished as
234:Chambers Dictionary
223:true quadrat, from
31:Comparison of quad
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541:. Retrieved
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359:middle space
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137:Joseph Moxon
135:In 1683, in
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96:(originally
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82:(originally
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65:(originally
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363:thick space
280:a piece of
237:, the term
187:, it says:
76:typesetting
73:letterpress
40:typesetting
37:letterpress
731:Whitespace
721:Typography
715:Categories
668:typography
594:. p.
543:2022-10-28
483:2021-06-05
459:2013-09-18
435:2013-09-18
414:1871516234
390:References
376:Cyclopædia
282:type-metal
212:en quadrat
59:typography
225:quadratus
145:n quadrat
98:n quadrat
84:m quadrat
736:Printing
640:See also
588:(1841).
511:(1683).
329:three-em
248:, kwod,
726:Unicode
272:Quadrat
262:quadrat
192:Quadrat
167:thick,
165:Quadrat
161:Quadrat
157:Punches
131:History
115:Unicode
113:of the
94:en quad
80:em quad
68:quadrat
18:En quad
411:
327:, and
316:two-em
257:print.
666:This
454:(PDF)
345:Notes
175:Space
125:\quad
121:LaTeX
33:sorts
672:stub
409:ISBN
286:Quad
266:v.t.
246:Quad
239:quad
210:and
170:viz.
153:Body
143:and
63:quad
61:, a
51:name
44:sort
629:753
625:752
600:hdl
596:670
568:hdl
564:520
380:926
221:the
202:'s
57:In
35:in
717::
598:.
566:.
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519:99
476:.
340:.
314:,
303:em
301:,
290:en
277:n.
264:.—
251:n.
208:em
103:en
89:em
703:e
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689:v
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627:–
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332:(
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319:(
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293:(
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141:m
53:.
20:)
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