Fontana
1965
On the meaning of historic sites archaeology
DE1427119U
(https= )
Patterson
1951
Leonard and Thomas Digges: Biographical Notes
DE438548C
(de )
1926-12-20
Zubehoer zu Tischtelephonen
DE1744892U
(de )
1957-05-16
Beleuchtungs- oder kontrolleinrichtung fuer kippschalter.
DE1778627U
(de )
1958-12-04
Karteikasten mit schwenkbar eingesetzten stuetzplatten als stirnwaende.
DE1849723U
(de )
1962-04-12
Aufreihvorrichtung fuer briefordner.
Wheeler
1979
Parapsychology—a correction
DE1755978U
(de )
1957-11-14
Ausladungsanzeiger fuer auslegerkrane und bagger.
DE30137C
(de )
Konstruktion eines galvanischen Elements
DE12998C
(de )
Neuerung an elektrischen Haustelegraphen
DE1801378U
(de )
1959-12-03
Schutzvorrichtung fuer hebebaender beim heben kantiger lasten.
DE1418199U
(https= )
DE1777426U
(de )
1958-11-13
Batterie-tischventilator.
AT223697B
(https= )
1962-10-10
Roots
1996
Environmental monitoring.
DE1673748A1
(de )
1971-02-25
Batterieuhr
Abogunrin
1974
EDUCATIONAL AND OCCUPATIONAL PLANS AND REALIZATIONS OF IOWA FARM BOYS.
Roma Mitchell
1987
Official conference luncheon speech
DE1496498U
(https= )
Urofsky
1972
Kurland, Gerald," Seth Low: The Reformer in an Urban and Industrial Age"(Book Review)
Skinner
1953
Annual Report, 1952-1953, Chemistry, Chemical Engineering and Pharmacy Libraries and Cemical Engineering Laboratory Collection
Fyfe
1949
Scheme for training of power board linesmen
DE1762104U
(de )
1958-02-27
Gehaeuse fuer transformatoren oder gleichrichter.
Siegert et al.
1974
Arrangement for wet refueling in round nuclear reactor buildings