Device Size Type Origin
- Contact Length 2 Millimeter (265)
- Spacing 5 Millimeter (148)
- Main Tube Length 27 Centimeter (136)
- Spacing 3.5 Millimeter (71)
- Main Tube Length 36 Centimeter (50)
- Main Tube Length 32 Centimeter (48)
- Recording Depth 17 Millimeter (48)
- Recording Depth 37 Millimeter (46)
- Recording Depth 47 Millimeter (30)
- Main Tube Length 35 Centimeter (20)
- Recording Depth 27 Millimeter (20)
- Contact Length 1.3 Millimeter (12)
- Spacing 3 Millimeter (12)
- Recording Depth 80 Millimeter (11)
- Recording Depth 33.5 Millimeter (10)
- Recording Depth 54.5 Millimeter (9)
- Recording Depth 90 Millimeter (9)
- Spacing 3.97 Millimeter (9)
- Spacing 4.43 Millimeter (9)
- Recording Depth 26.5 Millimeter (8)
- Recording Depth 40.5 Millimeter (8)
- Recording Depth 47.5 Millimeter (8)
- Recording Depth 61.5 Millimeter (8)
- Recording Depth 68.5 Millimeter (8)
- Main Tube Length 67 Centimeter (6)
- Spacing 1.5 Millimeter (5)
- Main Tube Length 20 Centimeter (4)
- Main Tube Length 30.5 Centimeter (4)
- Main Tube Length 35.5 Centimeter (4)
- Recording Depth 85 Millimeter (4)
- Spacing 2 Millimeter (4)
- Spacing 3.33 Millimeter (4)
- Contact Length 5 Millimeter (3)
- Recording Depth 100 Millimeter (3)
- Recording Depth 12.5 Millimeter (3)