| 1928 BUCKEYE STEEL CASTINGS CO Car Truck Construction |
| 1928 RALPH J BURTON Airplane Construction Patent |
| 1928 JUPP Car Body Construction Patent Print Art |
| 1928 HERMAN PALEY Piano Construction Patent |
| 1928 FRAUNFELDER Box Girder Construction Car Bodies |
| 1928 REINHARDT Doll-House Construction Patent |
| 1928 BURR Car Frame Construction Patent Print |
| 1928 SHAW Seat Construction Baby Carriages Art |
| 1928 OLDFIELD Toy Construction Outfit Patent |
| 1928 LEIGH Sound Control Construction Patent |
| 1928 LOUIS Toy Car Truck Construction Patent |
| 1928 PHILLIP Automobile Body Construction Patent |
| 1928 ERIC Compartment Conveyance Construction |
| 1928 ORO TONE Sound Control Construction Art |
| 1928 STEPHEN TOTH Organ Pipe Construction Patent |
| 1928 CAMEL CO Side Door Construction Patent |
| 1928 BBC Electric Locomotive Construction Art |
| 1928 GUSTAVE Mechanical Construction Pianos Art |
| 1928 BUSH Car Truck Construction Patent Print |
| 1928 ALBERT Duplex Buffer Construction Patent |
| 1928 CRANE Construction Of Rigid Airships Patent |
| 1928 INT MOTOR CO Car Body Construction Patent |
| 1928 EASTON Box Girder Construction Car Bodies |
| 1928 G Construction Bogie Trucks Railway Vehicles |
| 1928 AMERICAN CHAIN CABLE CO Duplex Buffer Construction |
| 1928 PROTZELLER Tank Car Construction Patent |
| 1928 MORGAN CONSTRUCTION CO Journal Lubricator |
| 1928 PLEYEL SA Mechanical Construction Pianos |
| 1928 O F JORDAN Tank Car Construction Art Print |
| 1928 GROTENHUIS Automobile Bumper Construction |
| 1928 BUCKEYE Six Wheel Car Truck Construction |
| 1928 O F JORDAN COMPANY Car Construction Patent |
| 1928 GEIGER WILLIAM Car Construction Patent |
| 1928 MCWHIRTER Journal Bearing Construction Art |
| 1928 GYULA Organ Pipe Construction Patent Print |
| 1928 LARSEN Car Truck Construction Patent Print |
| 1928 MINER INC W H Car Construction Patent Print |
| 1928 JONES Toy Building Block Wall Construction |
| 1928 BURKE Truck Body Construction Patent Print |
| 1928 WILLIAM Aircraft Airplane Construction Art |
| 1928 GREGG LTD Car Frame Construction Art Print |
| 1928 LEOPOLDO Die Cast Boat Construction Patent |
| 1928 BIFLEX PRODUCTS Automobile Bumper Construction |
| 1928 PROTZELLER Car Construction Patent Print |
| 1928 LARSEN Six Wheel Car Truck Construction Art |
| 1928 ART METAL CONSTRUCTION CO Posting Bus Truck |
| 1928 JOHNSON Six Wheel Car Truck Construction |
| 1928 TOBIN Side Door Construction Patent Print |
| 1928 WILLIAM Toy Construction Set Patent Print |
| 1928 RASSMANN Water Bowl Construction For Cattle |
| 1928 DAVID Car Wall Construction Patent Print |
| 1928 HUDSON Undergarment Construction Patent |
| 1928 CRANE Construction Of Airships Patent Print |
| 1928 HARDIN FRANK Car Construction Patent Print |
| 1928 GROVER Construction Airplane Floats Art |
| 1928 HENRY Airplane Construction Patent Print |
| 1928 FRISBIE Toy Pistol Construction Patent |
| 1928 ISHERWOOD Construction Floating Vessels Art |
| 1928 NORDBERG Airplane Construction Patent Print |
| 1928 JACOB Electric Locomotive Construction Art |
| 1928 HEINE BOILER Truck Body Construction Art |
| 1928 Steel Construction AISC 1st + Carnegie Pocket Comp |
| 1928 Steel Construction AISC 1st + Carnegie Pocket Comp |