5.D. Dimensions

Expanded from AACR2 1.5D2, 6.5D1, 7.5D1

Extracted from ISBD (ER) 5.3.3 Give the dimensions of the item . Prefer metric dimensions, or use imperial dimensions if these are customary for the archive or cataloguing agency. If the item extends over more than one physical unit, and they differ in size, give the smallest or smaller and the largest or larger size, separated by a hyphen. Optionally, if the item is in a container, name the container and give its dimensions after the dimensions of the item .

5.D.1. cylinders

Based on ARSC 6.C.4 Give the dimensions in 0,1 centimetres which differ from the following standard sizes. Give the dimensions in this order: outside diameter, inside diameters at edge and run-off, and length.

5,5 cm

Outside diameter

4,7 cm

Inside diameter at edge*

4,4 cm

Inside diameter at run-off**

10,5-10,8 cm

Length

*Edge is the end of the larger inside diameter

**Run-off is the end of the smaller inside diameter

1 sound cylinder : 160 rpm , microgroove ; 5,5 cm x (4,7-4,4 cm) x 10,6 cm

1 sound cylinder : 160 rpm , coarse groove ; 12,5 cm x (11,2-10,8 cm) x 11,7 cm

5.D.2. Sound discs

Expanded from AACR2 6.5D2 Give the diameter of a disc. Discs may occur in a variety of diameters, however, a list of the more common diameters follow.

8 cm
12 cm
17 cm
20 cm
25 cm
30 cm
41 cm 

1 sound disc (1 side, 3 min., 50 sec.) : stereo, 45 rpm ; 17 cm

1 sound disc (50 min., 35 sec.) : stereo, 33 1/3 rpm ; 30 cm

2 sound discs (metal mothers) : 33 1/3 rpm ; 33 cm

4 sound discs : stereo, 33 1/3 rpm ; 25-30 cm diam. in box 32 x 32 x 2,5 cm

Optionally, omit the diameter, if it is standard for the disc (e.g. 12 cm for a CD).

1 sound disc (CD, 64 min., 17 sec.) : stereo

5.D.3. Sound tape and sound wire reels

Expanded from AACR2 6.5D6 Give the diameter of a sound tape or sound wire reel . Give the width of the sound tape on the reel if other than the standard width (1/4 in. = 0,6 cm).

1 sound tape reel (35 min.) : 9,5 cm/sec, stereo ; 18 cm, 1/2 in. tape

1 sound tape reel (20 min.) : analogue, 38 cm/sec, quadrophonic ; 25 cm, 1/2 in. tape

1 sound tape reel (28 min.) : digital, 19 cm/sec, 24 track ; 20 cm, 2 in. tape

5.D.4. Sound cartridges

Expanded from AACR2 6.5D4

Adapted from ARSC 6.H.6 Give the dimensions of a sound cartridge if other than the standard dimensions (5 1/4 x 3 7/8 in. = 13,3 x 9,8 cm). Give the width of the tape if other than the standard width (1/4 in. = 0,6 cm).

1 sound cartridge : 9,5 cm/sec, mono ; 18,5 x 9 cm, 1 cm tape

5.D.5. Sound cassettes

Expanded from AACR2 6.5D5 Give the dimensions of a sound cassette if other than the standard dimensions (analogue cassette: 3 7/8 x 2 1/2 in. = 9,8 x 6,3 cm; DAT: 2 7/8 x 2 1/8 in = 7,2 x 5,4 cm). Give the width of the tape if other than the standard width (analogue cassette and DAT tape: 1/8 in. = 3,2 mm).

1 sound cassette (85 min.) : analogue, mono ; 18,5 x 9 cm, 0,6 cm tape

5.D.6. Videocassettes, videocartridges and videoreels

Adapted from AACR2 7.5D3 Do not give the dimensions of the container, or the diameter of the reel . Instead, give the gauge (width) of the video tape in inches or millimeters. Also give the specific type of video format either in this area (see 5.B.2-5.B.3) or in a note, to assist with selection of the necessary playback equipment.

1 videoreel (30 min.) : sd., b&w ; 1/2 in.

1 videoreel (28 min.) : sd., col. ; 5 cm tape

5.D.7. Videodiscs

AACR2 7.5D4

Give the diameter of a videodisc. 1 videodisc : sd., col. ; 30 cm

5.D.8. Films and sound track films

AACR2 6.5D3, 7.5D2 Give the gauge (width) of a film or a sound track film in millimetres. Examples of gauges follow. If 8 mm, state whether single, standard, super or Maurer

8 mm
15 mm
16 mm
17,5 mm
35 mm
70 mm

5 sound track film reel s (57 min.) : optical ; 17,5 mm

1 film cassette (21 min.) : sd., col. ; standard 8 mm

5.D.9. Electronic resources (local access files)

Extracted from ISBD (ER) 5.3 Give the diameter of the disk/disc or reel ; the length of the face of a chip cartridge; the length and height of a tape cassette when other than the standard size (10 x 7 cm) and the width of the tape when it is other than the standard width (4 mm).

1 electronic disk : col. ; 14 cm

1 electronic tape reel ; 26,7 cm

1 electronic chip cartridge : sd., col. ; 9 cm

1 electronic tape cassette : col. ; 19 x 9 cm, 7 mm tape