Device Size Type Origin
- Spacing 10 Millimeter (48)
- Contact Length 2 Millimeter (40)
- Main Tube Length 32 Centimeter (34)
- Contact Length 5 Millimeter (28)
- Recording Depth 17 Millimeter (28)
- Spacing 5 Millimeter (28)
- Main Tube Length 35 Centimeter (16)
- Recording Depth 55 Millimeter (11)
- Main Tube Length 36 Centimeter (8)
- Recording Depth 72 Millimeter (6)
- Recording Depth 44 Millimeter (5)
- Recording Depth 32 Millimeter (4)
- Recording Depth 35 Millimeter (4)
- Recording Depth 52 Millimeter (4)
- Recording Depth 92 Millimeter (4)
- Main Tube Length 20 Centimeter (2)
- Main Tube Length 35.5 Centimeter (2)
- Recording Depth 12 Millimeter (2)
- Recording Depth 15 Millimeter (2)
- Recording Depth 25 Millimeter (2)
- Recording Depth 37 Millimeter (2)
- Recording Depth 75 Millimeter (2)
- Recording Depth 95 Millimeter (2)
- Spacing 15 Millimeter (2)
- Main Tube Length 22 Centimeter (1)
- Main Tube Length 67 Centimeter (1)