Device Size Type Origin
- Contact Length 2 Millimeter (89)
- Main Tube Length 27 Centimeter (75)
- Spacing 3.5 Millimeter (71)
- Spacing 1.5 Millimeter (17)
- Recording Depth 33.5 Millimeter (11)
- Recording Depth 54.5 Millimeter (11)
- Recording Depth 80 Millimeter (11)
- Main Tube Length 60 Centimeter (10)
- Recording Depth 26.5 Millimeter (10)
- Recording Depth 40.5 Millimeter (10)
- Recording Depth 47.5 Millimeter (10)
- Recording Depth 90 Millimeter (9)
- Main Tube Length 32 Centimeter (7)
- Contact Length 1.3 Millimeter (4)
- Recording Depth 65 Millimeter (4)
- Recording Depth 85 Millimeter (4)
- Recording Depth 12.5 Millimeter (3)
- Spacing 3 Millimeter (3)
- Recording Depth 100 Millimeter (2)
- Recording Depth 19.5 Millimeter (2)
- Spacing 5 Millimeter (2)
- Main Tube Length 55 Centimeter (1)
- Recording Depth 32.8 Millimeter (1)
- Recording Depth 35 Millimeter (1)
- Recording Depth 39.8 Millimeter (1)
- Recording Depth 46.8 Millimeter (1)
- Recording Depth 53.8 Millimeter (1)
- Recording Depth 95 Millimeter (1)