testing
184 photos and 3 illustrations tagged testing, from 16 members of Flickr Commons.
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- nationallibraryofmedicine
- ihm
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- historyofmedicinedivision
- publicdomain
- archivesofmedicine
- nlmdigitalcollection
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- photoprint
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- “stillimage
- “communicablediseasecontrol”
- “nationalinstituteofallergyandinfectiousdiseases“
- “niaiddivisionofinfectiousdiseases”
- “infectiousdiseases”
- 880
- convair
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- rohr
- bus
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Members using this tag
- SDASM Archives
- National Library of Medicine
- Navy Medicine
- The Library of Congress
- CADL LocalHistory
- NASA on The Commons
- Llyfrgell Genedlaethol Cymru / The National Library of Wales
- Florida Memory
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- Smithsonian Institution
Photos & Illustrations
Show photos & illustrations photos (184) illustrations (3)
A selection of photos & illustrations tagged testing:
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Recent uploads
The last upload was 6 days ago.
Testing the North American B-1 at NASA Ames from NASA on The Commons uploaded 6 days ago
26_0073697 Rohr Collection Image from SDASM Archives uploaded 27 March
26_0073698 Rohr Collection Image from SDASM Archives uploaded 27 March
26_0073696 Rohr Collection Image from SDASM Archives uploaded 27 March
26_0073695 Rohr Collection Image from SDASM Archives uploaded 27 March
26_0073692 Rohr Collection Image from SDASM Archives uploaded 27 March
26_0073691 Rohr Collection Image from SDASM Archives uploaded 27 March
26_0073690 Rohr Collection Image from SDASM Archives uploaded 27 March
26_0073688 Rohr Collection Image from SDASM Archives uploaded 27 March
26_0073689 Rohr Collection Image from SDASM Archives uploaded 27 March
26_0073648 Rohr Collection Image from SDASM Archives uploaded 27 March
26_0073647 Rohr Collection Image from SDASM Archives uploaded 27 March
Conversations
Here’s a selection of the conversations happening on these photos & illustrations:
26_0064440 Rohr Collection Image
from SDASM Archives
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Chuck Walla said:
The track resembles The Larson Transportation Institute's Bus Research and Testing Center federal DOT test track.
Identified! [Daniel W. Kessler of the National Bureau of Standards with device used to test slabs of marble over long periods of time] ? (LOC)
- 10 older comments, and then…
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oldoinyo said:
Some obscure orchestral noisemaker?
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Ross said:
The pensive guy is holding a small slab of marble, or some other veined stone. It looks like the big wheel is designed to clamp a whole series of slabs of the same size into a rotating jig. In the high-res view you can see the slabs are a few different varieties of stone. It's a little hard to see what those roller-like things underneath are doing; but perhaps there's a spinning drum to grind or polish the surfaces of the slabs.
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Ross said:
Perhaps someone was testing and comparing types of stone for abrasion-resistance. Selecting which one to use for stair treads in public buildings?
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oldoinyo said:
The slabs look mostly like marble (which is not a great choice for stairs btw.) Nonetheless, perhaps they wanted to find the hardest batches. Maybe one of the rollers underneath is in fact some kind of abrasion tester. Floors could be another application.
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swanq said:
A Bureau of Standards publication from 1933 is titled Wear Resistance of Natural Stone Flooring nvlpubs.nist.gov/nistpubs/jres/11/jresv11n5p635_A2b.pdf A quick skim suggests this report shows and describes different equipment and tests but does confirm that the agency did related work.