Device Size Type Origin
- Contact Length 2 Millimeter (117)
- Spacing 5 Millimeter (62)
- Main Tube Length 27 Centimeter (58)
- Main Tube Length 36 Centimeter (29)
- Spacing 3.5 Millimeter (29)
- Recording Depth 17 Millimeter (28)
- Recording Depth 37 Millimeter (27)
- Main Tube Length 32 Centimeter (11)
- Main Tube Length 35 Centimeter (10)
- Recording Depth 27 Millimeter (7)
- Spacing 3 Millimeter (6)
- Recording Depth 33.5 Millimeter (5)
- Recording Depth 40.5 Millimeter (5)
- Recording Depth 26.5 Millimeter (4)
- Recording Depth 47 Millimeter (4)
- Recording Depth 47.5 Millimeter (4)
- Recording Depth 54.5 Millimeter (4)
- Recording Depth 61.5 Millimeter (4)
- Recording Depth 68.5 Millimeter (4)
- Recording Depth 80 Millimeter (4)
- Spacing 3.97 Millimeter (4)
- Spacing 4.43 Millimeter (4)
- Contact Length 1.3 Millimeter (3)
- Recording Depth 90 Millimeter (3)
- Contact Length 5 Millimeter (2)
- Main Tube Length 20 Centimeter (2)
- Main Tube Length 30.5 Centimeter (2)
- Main Tube Length 35.5 Centimeter (2)
- Main Tube Length 67 Centimeter (2)
- Recording Depth 32 Millimeter (2)
- Recording Depth 65 Millimeter (2)
- Recording Depth 85 Millimeter (2)
- Spacing 1.5 Millimeter (2)
- Spacing 15 Millimeter (2)
- Spacing 2 Millimeter (2)