340 - Physical Medium (R)
MARC 21 Bibliographic - Concise
2007
Physical description information for an item that requires technical equipment for its
use or an item that has special conservation or storage needs.
Indicators
First - Undefined
# - Undefined
Second - Undefined
# - Undefined
Subfield Codes
$a - Material base and configuration (R)
Physical substance (e.g., acetate, canvas, clay, film, glass, vellum, or wood) and
configuration (e.g., cartridge, chip, dot, fiche, globe, sheet, and audio-,
magnetic-, micro-, ultra-, or videotape) on which the information is recorded.
$b - Dimensions (R)
Measurements of the material configuration (e.g., 35 mm. (film), 12 inch
(phonograph disc), 4" x 6" (microfiche)).
$c - Materials applied to surface (R)
Physical substance applied to the material base (e.g., ink, oil, paint, specific
photographic emulsions such as albumen).
$d - Information recording technique (R)
Means or technique by which information was recorded in or on the material base
(e.g., punched, pressed, cut, molded, thermofax, x-ray).
$e - Support (R)
Physical material on or in which records are mounted, bound, or otherwise
supported.
$f - Production rate/ratio (R)
Normal rate or ratio at which the information in the material must be used to be
meaningful (e.g., how many revolutions per minute for recordings, the
magnification for photographic reductions).
$h - Location within medium (R)
Location of the described materials within the material base and configuration
(e.g., band, page, frame number).
$i - Technical specifications of medium (R)
Access requirements involving technical equipment.
$3 - Materials specified (NR)
Part of the described materials to which the field applies.
$8 - Field link and sequence number (R)
Examples
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340 |
##$amarble.[The medium for a sculpture.]
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340 |
##$aparchment$b20 cm. folded to 10 x 12 cm.
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340 |
##$3self-portrait$arice paper$b7" x 9"$ccolored inks$enone$hbetween entry for April 7 and April 19,
1843.
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340 |
##$dhandwritten$dtyped.
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340 |
##$acanvas$b30 x 57 cm.$ccolored oil-base paints$ewood.
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340 |
##$3case files$aaperture cards$b9 x 19 cm.$dmicrofilm$f48x.
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340 |
##$3case files$aaperture cards$b9 x 19 cm.$dmicrofilm$f48x.
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