Device Size Type Origin
- Spacing 5 Millimeter (156)
- Contact Length 2 Millimeter (145)
- Main Tube Length 36 Centimeter (50)
- Recording Depth 17 Millimeter (50)
- Recording Depth 37 Millimeter (46)
- Main Tube Length 32 Centimeter (44)
- Recording Depth 47 Millimeter (26)
- Main Tube Length 35 Centimeter (20)
- Recording Depth 27 Millimeter (20)
- Main Tube Length 27 Centimeter (9)
- Main Tube Length 67 Centimeter (6)
- Main Tube Length 20 Centimeter (4)
- Main Tube Length 30.5 Centimeter (4)
- Main Tube Length 35.5 Centimeter (4)
- Contact Length 5 Millimeter (3)
- Main Tube Length 22 Centimeter (2)
- Recording Depth 15 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 85.4 Centimeter (1)
- Recording Depth 107 Millimeter (1)
- Recording Depth 35 Millimeter (1)
- Recording Depth 51 Millimeter (1)
- Recording Depth 79 Millimeter (1)