Device Size Type Origin
- Contact Length 2 Millimeter (47)
- Spacing 5 Millimeter (30)
- Recording Depth 37 Millimeter (28)
- Main Tube Length 32 Centimeter (18)
- Main Tube Length 35 Centimeter (17)
- Main Tube Length 36 Centimeter (8)
- Recording Depth 17 Millimeter (8)
- Spacing 7 Millimeter (7)
- Spacing 10 Millimeter (6)
- Recording Depth 30 Millimeter (5)
- Contact Length 5 Millimeter (4)
- Spacing 3 Millimeter (4)
- Main Tube Length 27 Centimeter (3)
- Main Tube Length 213 Centimeter (2)
- Main Tube Length 30.5 Centimeter (2)
- Recording Depth 32 Millimeter (2)
- Recording Depth 35 Millimeter (2)
- Recording Depth 40 Millimeter (2)
- Recording Depth 72 Millimeter (2)
- Spacing 5.6 Millimeter (2)
- Main Tube Length 67 Centimeter (1)
- Recording Depth 27 Millimeter (1)
- Recording Depth 93 Millimeter (1)
- Spacing 2 Millimeter (1)
- Spacing 8 Millimeter (1)