Device Size Type Origin
- Contact Length 2 Millimeter (191)
- Main Tube Length 27 Centimeter (78)
- Spacing 5 Millimeter (74)
- Main Tube Length 32 Centimeter (55)
- Spacing 3.5 Millimeter (39)
- Main Tube Length 36 Centimeter (28)
- Recording Depth 37 Millimeter (28)
- Recording Depth 17 Millimeter (26)
- Recording Depth 47 Millimeter (18)
- Main Tube Length 35 Centimeter (15)
- Spacing 10 Millimeter (12)
- Spacing 3 Millimeter (12)
- Recording Depth 27 Millimeter (11)
- Spacing 1.5 Millimeter (11)
- Contact Length 1.3 Millimeter (9)
- Recording Depth 33.5 Millimeter (9)
- Recording Depth 26.5 Millimeter (7)
- Recording Depth 54.5 Millimeter (6)
- Recording Depth 80 Millimeter (6)
- Spacing 4.5 Millimeter (6)
- Main Tube Length 60 Centimeter (5)
- Recording Depth 30 Millimeter (5)
- Recording Depth 40.5 Millimeter (5)
- Recording Depth 47.5 Millimeter (5)
- Recording Depth 72 Millimeter (5)
- Recording Depth 90 Millimeter (5)
- Spacing 3.97 Millimeter (5)
- Spacing 4.43 Millimeter (5)
- Spacing 7 Millimeter (5)
- Recording Depth 61.5 Millimeter (4)
- Recording Depth 68.5 Millimeter (4)
- Recording Depth 92 Millimeter (4)
- Spacing 3.33 Millimeter (4)
- Main Tube Length 67 Centimeter (3)
- Main Tube Length 20 Centimeter (2)