Device Size Type Origin
- Contact Length 2 Millimeter (72)
- Main Tube Length 27 Centimeter (43)
- Spacing 3.5 Millimeter (39)
- Recording Depth 37 Millimeter (28)
- Spacing 5 Millimeter (22)
- Main Tube Length 32 Centimeter (15)
- Spacing 3 Millimeter (12)
- Main Tube Length 36 Centimeter (9)
- Recording Depth 33.5 Millimeter (5)
- Recording Depth 47.5 Millimeter (5)
- Recording Depth 54.5 Millimeter (5)
- Recording Depth 80 Millimeter (5)
- Recording Depth 90 Millimeter (5)
- Contact Length 1.3 Millimeter (4)
- Recording Depth 26.5 Millimeter (4)
- Recording Depth 40.5 Millimeter (4)
- Recording Depth 47 Millimeter (4)
- Main Tube Length 35 Centimeter (3)
- Main Tube Length 213 Centimeter (2)
- Main Tube Length 30.5 Centimeter (2)
- Recording Depth 27 Millimeter (2)
- Recording Depth 85 Millimeter (2)
- Spacing 7 Millimeter (2)
- Main Tube Length 60 Centimeter (1)
- Main Tube Length 67 Centimeter (1)
- Recording Depth 100 Millimeter (1)
- Recording Depth 12.5 Millimeter (1)
- Recording Depth 32.8 Millimeter (1)
- Recording Depth 39.8 Millimeter (1)
- Recording Depth 46.8 Millimeter (1)
- Recording Depth 53.8 Millimeter (1)
- Recording Depth 77 Millimeter (1)
- Spacing 8 Millimeter (1)