nara/coll_xrwp

NARA Collection xrwp — Collection xrwp

nara/coll_xrwp

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Cores Collections · 7 Documents · 52 Persons · 1 Series · 6

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document

Hartness Screw Thread Comparator for Accurate and Rapid Screw Gaging

54 img

This is a publication about a comparator machine for the inspection of screw threads, with illustrations by Russell W. Porter.

#7077469

document

Letter from Russell Porter to Dr. Frank A. Cook

7 img

#119652180

document

R. W. Porter 96 IV

73 img

This book contains studies in classical architecture and other subjects.

#128215519

document

R. W. Porter Sketchbook

57 img

This book contains studies of people and animals, as well as sketches of outdoor scenes, portraits, and objects. These were done in charcoal, water color or pastel, and pencil.

#128215461

document

Rocket Testing

44 img

This item is a publication about the Naval Ordnance Test Station at Inyokern, California, with illustrations by Russell W. Porter.

#7077465

document

Sketchbook

12 img

This book contains colored pencil and pencil sketches of scenes, objects, and people during a polar expedition.

#128215433

document

Sky and Telescope Magazine

28 img

This item contains volume seven, issue three, number seventy-five of Sky and Telescope Magazine.

#7077466

document

The Arctic Circle Poem

3 img

#44176813

document

Watch Computation Journal

134 img

#28263984

document

Ziegler Polar Expedition Camp "Abruzzi" G.O. No. 32

2 img

#147970115

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NARA Collection xrwp — Collection xrwp

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Hartness Screw Thread Comparator for Accurate and Rapid Screw Gaging

Letter from Russell Porter to Dr. Frank A. Cook

R. W. Porter 96 IV

R. W. Porter Sketchbook

Rocket Testing

Sketchbook

Sky and Telescope Magazine

The Arctic Circle Poem

Watch Computation Journal

Ziegler Polar Expedition Camp "Abruzzi" G.O. No. 32