Device Size Type Origin
- Contact Length 2 Millimeter (156)
- Spacing 5 Millimeter (134)
- Main Tube Length 36 Centimeter (59)
- Recording Depth 37 Millimeter (55)
- Recording Depth 17 Millimeter (54)
- Main Tube Length 32 Centimeter (47)
- Recording Depth 47 Millimeter (32)
- Main Tube Length 35 Centimeter (20)
- Recording Depth 27 Millimeter (12)
- Spacing 3 Millimeter (9)
- Main Tube Length 27 Centimeter (6)
- Contact Length 5 Millimeter (4)
- Main Tube Length 20 Centimeter (4)
- Main Tube Length 30.5 Centimeter (4)
- Main Tube Length 35.5 Centimeter (4)
- Main Tube Length 67 Centimeter (4)
- Recording Depth 32 Millimeter (4)
- Spacing 15 Millimeter (4)
- Spacing 7 Millimeter (4)
- Spacing 8 Millimeter (4)
- Spacing 9 Millimeter (4)
- Recording Depth 42 Millimeter (3)
- Main Tube Length 213 Centimeter (2)
- Main Tube Length 22 Centimeter (2)
- Spacing 1 Millimeter (1)