| 1921 MORRISON Construction Ships Tanks Like Art |
| 1921 AMERICAN STEEL FOUNDRIES Side Frame Construction |
| 1921 SESSIONS CLOCK Pivot Bearing Construction |
| 1921 LARSEN Bolster Construction Six Wheel Trucks |
| 1921 LITTLE MARY Ship Construction Patent Print |
| 1921 CALLERY THOMAS Car Construction Patent |
| 1921 MCCLURD Seat Construction Sewing Other Machines |
| 1921 AMERICAN STEEL FOUNDRIES Car Truck Construction |
| 1921 DONALDSON Concrete Ship Construction Patent |
| 1921 FLUDE Construction Of Saddletrees Patent |
| 1921 CURTISS Airplane Wing Construction Patent |
| 1921 WALTER P MURPHY Railway Car Wall Construction |
| 1921 GROVER ALBERT Banjo Construction Patent |
| 1921 HILLS Pivot Bearing Construction Patent |
| 1921 CURTISS Airplane Construction Patent Print |
| 1921 L W F ENGINEERING INC Aeroplane Construction |
| 1921 ADOLF Construction Toy Set Patent Print Art |
| 1921 KRAMER Vehicle Tank Construction Patent |
| 1921 IND TRACK CONSTRUCTION Railway Accessory |
| 1921 AMERICAN STEEL FOUNDRIES Truck Construction |
| 1921 STEVENSON Stall Construction Patent Print |
| 1921 LENA MYERS Paddle Wheel Construction Vessels |
| 1921 KRAMER ANDREW Tank Construction Patent |
| 1921 LAMONT Railway Car Truck Construction Art |
| 1921 BONSALL Railway Car Wall Construction Art |
| 1921 PEDRO Construction Raising Sunken Vessels |
| 1921 LAVAGETTO Wooden Ship Construction Patent |
| 1921 WILLARD Aeroplane Construction Patent Print |
| 1921 EICKHOFF Magazine Construction Patent Print |
| 1921 AMERICAN PIANO Grand Piano Construction |
| 1921 LITTLE Ship Construction Patent Print Art |
| 1921 EDMANDS Grand Piano Construction Patent |
| 1921 MYERS Sectional Door Construction Patent |
| 1921 IOWA GATE COMPANY Stall Construction Patent |
| 1921 LAMONT Car Truck Construction Patent Print |
| 1921 LEE Rail Construction Rolling Hoppers Art |
| 1921 COLL Cellular Construction Of Vessels |
| 1921 FLOYD Side Frame Construction Patent Print |
| 1921 SMITH GEORGE Ship Construction Patent Print |
| 1921 BUCKEYE Bolster Construction Six Wheel Trucks |
| 1921 MYERS Paddle Wheel Construction Vessels Art |
| 1921 AMERICAN Railway Car Truck Construction Art |
| 1921 AUTO ORDNANCE CORP Magazine Construction |
| 1921 COTTON Passenger Car Construction Patent |
| 1921 LAMONT JOHN Truck Construction Patent Print |
| 1921 PRESSED STEEL CAR CO Passenger Car Construction |
| 1921 KRAMER Wagon Tank Construction Patent Print |
| 1921 GOFF Body Construction Cars Wagons &C Art |
| 1921 FOSTER Construction Of Ships Patent Print |
| 1921 SMITH Ship Construction Patent Print Art |
| 1921 BELZ Toy Of Knockdown Construction Patent |