Device Size Type Origin
- Main Tube Length 32 Centimeter (182)
- Contact Length 2 Millimeter (121)
- Contact Length 5 Millimeter (74)
- Spacing 10 Millimeter (67)
- Spacing 5 Millimeter (60)
- Recording Depth 27 Millimeter (23)
- Recording Depth 37 Millimeter (23)
- Recording Depth 55 Millimeter (22)
- Recording Depth 47 Millimeter (21)
- Main Tube Length 36 Centimeter (12)
- Spacing 4.5 Millimeter (12)
- Spacing 7 Millimeter (12)
- Recording Depth 44 Millimeter (10)
- Recording Depth 30 Millimeter (8)
- Recording Depth 33.5 Millimeter (8)
- Recording Depth 42.5 Millimeter (8)
- Recording Depth 92 Millimeter (8)
- Recording Depth 15 Millimeter (6)
- Spacing 11 Millimeter (6)
- Recording Depth 95 Millimeter (5)
- Contact Size 2 Millimeter (4)
- Microwire Diameter 40 Micrometer (4)
- Recording Depth 25 Millimeter (4)
- Recording Depth 26.5 Millimeter (4)
- Recording Depth 35 Millimeter (4)
- Recording Depth 40 Millimeter (4)
- Recording Depth 60 Millimeter (4)
- Recording Depth 72 Millimeter (4)
- Recording Depth 75 Millimeter (4)
- Spacing 3 Millimeter (4)
- Spacing 3.5 Millimeter (4)
- Spacing 3.7 Millimeter (4)
- Spacing 5.6 Millimeter (4)
- Spacing 7.5 Millimeter (4)
- Spacing 8 Millimeter (4)