Device Size Type Origin
- Contact Length 2 Millimeter (173)
- Spacing 5 Millimeter (156)
- Main Tube Length 32 Centimeter (62)
- Recording Depth 37 Millimeter (55)
- Main Tube Length 36 Centimeter (51)
- Recording Depth 17 Millimeter (50)
- Recording Depth 47 Millimeter (31)
- Recording Depth 27 Millimeter (23)
- Main Tube Length 27 Centimeter (22)
- Main Tube Length 35 Centimeter (21)
- Spacing 3 Millimeter (18)
- Spacing 7 Millimeter (13)
- Contact Length 5 Millimeter (11)
- Main Tube Length 67 Centimeter (6)
- Recording Depth 15 Millimeter (6)
- Main Tube Length 20 Centimeter (4)
- Main Tube Length 30.5 Centimeter (4)
- Main Tube Length 35.5 Centimeter (4)
- Recording Depth 30 Millimeter (4)
- Recording Depth 40 Millimeter (4)
- Spacing 10 Millimeter (4)
- Main Tube Length 213 Centimeter (2)
- Main Tube Length 22 Centimeter (2)
- Recording Depth 12.5 Millimeter (2)
- Recording Depth 57 Millimeter (2)
- Recording Depth 65 Millimeter (2)
- Recording Depth 67 Millimeter (2)
- Recording Depth 7 Millimeter (2)
- Main Tube Length 60 Centimeter (1)
- Main Tube Length 85.4 Centimeter (1)
- Recording Depth 107 Millimeter (1)
- Recording Depth 110 Millimeter (1)
- Recording Depth 35 Millimeter (1)
- Recording Depth 47.5 Millimeter (1)
- Recording Depth 51 Millimeter (1)