007 PHYSICAL DESCRIPTION FIXED FIELD (R)
MICROFORM
00 Category of material
h Microform
01 Specific material designation
a Aperture card
b Microfilm cartridge
c Microfilm cassette
d Microfilm reel
e Microfiche
f Microfiche cassette
g Microopaque
u Unspecified
z Other
| No attempt to code
02 Undefined (Original versus reproduction Obsolete)
f Facsimile [OBSOLETE]
o Original [OBSOLETE]
r Reproduction [OBSOLETE]
u Unknown [OBSOLETE]
03 Positive/negative aspect
a Positive
b Negative
m Mixed polarity
u Unknown
| No attempt to code
04 Dimensions
a 8 mm.
d 16 mm.
f 35 mm.
g 70 mm.
h 105 mm.
l 3x5 in. or 8x13 cm.
m 4x6 in. or 11x15 cm.
o 6x9 in. or 16x23 cm.
p 3 1/4 x 7 3/8 in. or 9x19 cm.
u Unknown
z Other
| No attempt to code
05 Reduction ratio range
a Low reduction
b Normal reduction
c High reduction
d Very high reduction
e Ultra high reduction
u Unknown
v Reduction rate varies
| No attempt to code
06-08 Reduction ratio
09 Color
b Black-and-white
c Multicolored
m Mixed
u Unknown
z Other
| No attempt to code
10 Emulsion on film
a Silver halide
b Diazo
c Vesicular
m Mixed emulsion
n Not applicable
u Unknown
z Other
| No attempt to code
11 Generation
a First generation (master)
b Printing master
c Service copy
m Mixed generation
u Unknown
| No attempt to code
12 Base of film
a Safety base, undetermined
b Not a safety base [OBSOLETE]
c Safety base, acetate undetermined
d Safety base, diacetate
i Nitrate base
m Mixed base (nitrate and safety)
n Not applicable
p Safety base, polyester
r Safety base, mixed
t Safety base, triacetate
u Unknown
z Other
| No attempt to code