Device Size Type Origin
- Spacing 10 Millimeter (88)
- Main Tube Length 32 Centimeter (70)
- Contact Length 5 Millimeter (56)
- Contact Length 2 Millimeter (51)
- Recording Depth 55 Millimeter (22)
- Spacing 1.5 Millimeter (17)
- Main Tube Length 27 Centimeter (15)
- Main Tube Length 35 Centimeter (12)
- Recording Depth 54.5 Millimeter (11)
- Recording Depth 72 Millimeter (11)
- Recording Depth 44 Millimeter (10)
- Main Tube Length 60 Centimeter (9)
- Recording Depth 35 Millimeter (9)
- Spacing 3.5 Millimeter (9)
- Recording Depth 92 Millimeter (8)
- Recording Depth 32 Millimeter (6)
- Recording Depth 95 Millimeter (6)
- Recording Depth 52 Millimeter (5)
- Recording Depth 15 Millimeter (4)
- Recording Depth 25 Millimeter (4)
- Recording Depth 75 Millimeter (4)
- Recording Depth 12 Millimeter (2)
- Recording Depth 19.5 Millimeter (2)
- Recording Depth 26.5 Millimeter (2)
- Recording Depth 40.5 Millimeter (2)
- Recording Depth 65 Millimeter (2)
- Main Tube Length 52 Centimeter (1)
- Recording Depth 100 Millimeter (1)
- Recording Depth 12.5 Millimeter (1)
- Recording Depth 33.5 Millimeter (1)
- Recording Depth 47.5 Millimeter (1)
- Recording Depth 80 Millimeter (1)
- Spacing 3 Millimeter (1)