Every dimension belongs to an object and a drawing. Original room numbers, object marks, printed values and source regions stay together—even when the answer is unresolved.
464 of 464 photographs have extraction records, containing 27,517 properties. Initial image review is not exhaustive extraction: 0 photographs have passed the full-region check. 66 numbered sheets are reconciled. Modeling and architectural registration are separate work; these counts do not establish a complete building.
Download the structured register (JSON)Object: Revolving-truck bronze spiral into king pin
Printed values, calculations, image traces and observed counts are different kinds of evidence. “Verified” applies to the specific reading—not to the whole room or model.
0.75 in
Truck-note bronze spiral diameter, not bronze-ball bore, shell thickness, king-pin diameter or pole anchorage bolt.
Drawing notation: 3/4" φ BRONZE SPIRAL
Truck-note bronze spiral diameter, not bronze-ball bore, shell thickness, king-pin diameter or pole anchorage bolt.
Material of truck spiral only. Not a specification of the pole shaft, which independently remains copper-bearing steel.
Drawing notation: BRONZE SPIRAL
Material of truck spiral only. Not a specification of the pole shaft, which independently remains copper-bearing steel.
Connection clause of 12-inch bronze-ball/spread-eagle truck note; establishes a threaded relationship, not thread pitch, king-pin dimensions or ball mounting-bore diameter.
Drawing notation: SCREWED INTO KING PIN OF TRUCK
Connection clause of 12-inch bronze-ball/spread-eagle truck note; establishes a threaded relationship, not thread pitch, king-pin dimensions or ball mounting-bore diameter.
Source inventory is separate from the floor filters above. Select one drawing to inspect it; no drawing set is preloaded.