| 278 / | HD | LAND VEHICLES: ANIMAL DRAFT APPLIANCES |
| 90 | DF | WHIFFLETREES {5} |
| 102 | DF | .~ Trace and whiffletree connections {4} |
| 105 | ![]() | .~.~ Trace-eye-engaging head or end {5} |
| 106 | DF | .~.~.~> Loop retainers |
| 107 | DF | .~.~.~> Hook retainers |
| 108 | DF | .~.~.~> Spring-detent retainers |
| 109 | DF | .~.~.~> Pivoted button or lug retainers |
| 110 | DF | .~.~.~> Rotatable-button retainers |