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2.5 x 3.75 inch nitrate nega …

NI98-441

Using a detector in the fiel …

[Addie Nininger, Grant Outer

2.5 x 3.75 inch nitrate nega …

NI98-442

Addie with magnet

[Harvey H. Nininger, Grant O

4.0 x 5.0 inch nitrate negat …

NI98-444

Meteorite saw

[Unknown, Grant Outerbridge]

2.5 x 3.75 inch nitrate nega …

NI98-447

American Meteorite Laborator …

[Harvey H. Nininger, Grant O

2.5 x 3.75 inch nitrate nega …

NI98-448

H.H. Nininger in American Me …

[Unknown, Grant Outerbridge]

2.5 x 3.75 inch nitrate nega …

NI98-450

Magnetic rake

[Harvey H. Nininger, Grant O

2.5 x 3.5 inch nitrate negat …

NI98-451

Magnetic rake

[Harvey H. Nininger, Grant O

2.5 x 3.5 inch nitrate negat …

NI98-452

Magnetic rake

[Harvey H. Nininger, Grant O

2.5 x 3.75 inch nitrate nega …

NI98-457

Magnetic rake

[Harvey H. Nininger, Grant O

1.75 x 2.75 inch nitrate neg …

NI98-458

Magnetic rake

[Harvey H. Nininger, Grant O

1.75 x 2.75 inch nitrate neg …

NI98-459

Magnetic rake

[Harvey H. Nininger, Grant O

2.75 x 4.5 inch nitrate nega …

NI98-469

Experimental picture: Extend …

[Harvey H. Nininger, Grant O