Device Size Type Origin
- Spacing 5 Millimeter (156)
- Contact Length 2 Millimeter (145)
- Main Tube Length 32 Centimeter (116)
- Contact Length 5 Millimeter (83)
- Spacing 10 Millimeter (56)
- Main Tube Length 36 Centimeter (54)
- Recording Depth 17 Millimeter (50)
- Recording Depth 37 Millimeter (46)
- Recording Depth 47 Millimeter (26)
- Main Tube Length 35 Centimeter (24)
- Recording Depth 55 Millimeter (22)
- Recording Depth 27 Millimeter (20)
- Recording Depth 44 Millimeter (10)
- Main Tube Length 27 Centimeter (9)
- Recording Depth 35 Millimeter (9)
- 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 25 Millimeter (4)
- Recording Depth 32 Millimeter (4)
- Recording Depth 40 Millimeter (4)
- Recording Depth 42.5 Millimeter (4)
- Recording Depth 60 Millimeter (4)
- Recording Depth 75 Millimeter (4)
- Recording Depth 95 Millimeter (4)
- Spacing 11 Millimeter (4)
- Spacing 7 Millimeter (4)
- Spacing 7.5 Millimeter (4)
- Spacing 9 Millimeter (4)
- Main Tube Length 22 Centimeter (2)
- Recording Depth 57 Millimeter (2)
- Recording Depth 65 Millimeter (2)
- Recording Depth 67 Millimeter (2)