Device Size Type Origin
- Contact Length 2 Millimeter (84)
- Spacing 5 Millimeter (63)
- Recording Depth 37 Millimeter (55)
- Main Tube Length 35 Centimeter (33)
- Main Tube Length 32 Centimeter (31)
- Spacing 10 Millimeter (25)
- Main Tube Length 36 Centimeter (20)
- Recording Depth 17 Millimeter (16)
- Contact Length 5 Millimeter (13)
- Recording Depth 72 Millimeter (11)
- Recording Depth 32 Millimeter (10)
- Recording Depth 35 Millimeter (10)
- Spacing 3 Millimeter (5)
- Main Tube Length 30.5 Centimeter (4)
- Spacing 7 Millimeter (4)
- Spacing 9 Millimeter (4)
- Main Tube Length 213 Centimeter (2)
- Main Tube Length 27 Centimeter (2)
- Main Tube Length 67 Centimeter (2)
- Main Tube Length 52 Centimeter (1)
- Main Tube Length 60 Centimeter (1)
- Main Tube Length 85.4 Centimeter (1)
- Recording Depth 27 Millimeter (1)
- Spacing 1.5 Millimeter (1)
- Spacing 8 Millimeter (1)