Technical Report Archive & Image Library (TRAIL), an initiative to provide digital access to federal technical reports. crl.edu/grn/trail
Joined August 2012
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30 Photos and videos
Jun 8
"Report presenting testing on the first of a series of flutter rockets, designated the NACA FR-1-A, which was tested with two identical swept wings. Results regarding the launching, flight, and wing failure are provided."(2 of 2)
technicalreports.org/trail/d…
#TRAIL20 #TechnicalReports
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Jun 8
Week 10 - Initial Flight Test of the NACA FR-1-A, a Low-Acceleration Rocket-Propelled Vehicle for Transonic Flutter Research
A classic aerodynamic stability report. (1 of 2)
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Jun 1
Researchers discovered fireflies only emit light- or energy, in the yellow-green portion of the visible light spectrum – ROYGBIV. The maximum light emission is 0.57m with a range of 0.60m to 0.57m. (3 of 3)
technicalreports.org/trail/d…
#TRAIL20 #TechnicalReports
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Jun 1
of the light produced. Measuring it? Not easy. They had to hold the insects since they won’t glow in captivity. They discovered that the light-emitting portion of the fly’s body is made up of numerous small scintillating points like viewing fireflies on a summer’s eve. (2 of 3)
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Jun 1
Week 9 - Firefly Luminous Efficiency
This technical report is a unique intersection of biology and physics, and one of TRAIL’s most delightful reports.
This research into the light emitted by fireflies – or lightening bugs was conducted to determine the energy level... (1 of 3)
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May 25
Check out our updated membership map to see how long each organization has been a member of TRAIL!
public.tableau.com/app/profi… (2 of 2)
#TRAIL20 #TechnicalReports #DigitalPreservation #LibraryCollaboration
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May 25
Week 8 - Mapping TRAIL Organizational Members
TRAIL is powered by organizational members nationwide. This week, we’re highlighting our membership timeline from founding organizations to our newest members. (1 of 2)
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May 18
One gem? A 1936 report on silver and its industrial uses, Silver: Its Properties and Industrial Uses: babel.hathitrust.org/cgi/pt?… (2 of 2)
#TRAIL20 #TechnicalReports #DigitalPreservation #LibraryCollaboration
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May 18
Week 7 - Digitization Began with NBS Publications Two decades ago, TRAIL began with a focused effort to digitize publications from the National Bureau of Standards. Laying the groundwork for a remarkable collection of historic federal technical literature. (1 of 2)
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May 11
This fascinating report offers a look into measurement science and technical standards. The ruler was also included in NBS SP 410-NBS Metric Kit (1976) which covered: metric system differences, why America should switch... (3 of 3)
#TRAIL20 #TechnicalReports #DigitalPreservation
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May 11
This technical report or ruler has centimeters marked on the side opposite the inch markings, and some common metric-to-standard conversions printed on the back. (2 of 3)
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May 11
Week 6 - Technical Report Highlight: The Ruler
Technical reports can be more than just paper! In 1972, the National Bureau of Standards produced Special Publication 376, a 6-inch plastic ruler! (1 of 3)
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May 4
ALT Image of a microcard
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May 4
During the 2022 TRAIL Annual Meeting, Mark Phillips (UNT) presented on the status of the TRAIL Microcard Scanning Project at the University of North Texas (UNT).
The presentation slides provides a project explanation: digital.library.unt.edu/ark:…
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May 4
Week 5 - The Microcard Project: Preserving Hidden Formats
In May 2019, TRAIL committed to prioritizing the digitization of microcards, an important and vulnerable format. This week, we revisit the decision and spotlight progress in making microcard content accessible. (1 of 3)
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Apr 27
More reports = more accessible science, engineering, and government research history. (2 of 2)
#TRAIL20 #TechnicalReports #DigitalPreservation #LibraryCollaboration
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Apr 27
Week 4 - Our Running Count of Technical Reports
TRAIL continues to grow! This week we’re sharing the current count of digitized technical reports and highlighting how far we’ve come in 20 years. (1 of 2)
#TRAIL20 #TechnicalReports #DigitalPreservation #LibraryCollaboration
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Apr 20
Week 3 - Celebrating the People behind the Reports
Over 3 dozen volunteers in 4 working groups and Steering donate time & expertise. Thanks to 3 paid part-time staff at Central located at the Univ of AZ. trailguides.crl.edu/20Years/…
#TRAIL20 #TechnicalReports #DigitalPreservation
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Apr 13
(3 of 3) detailing suggestions for the construction, maintenance, and management of these dredged-material islands as habitats for nesting seabirds and wading birds. See digital.library.unt.edu/ark:…
#TRAIL20 #TechnicalReports #DigitalPreservation #LibraryCollaboration
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Apr 13
(2 of 3 ) the U.S. Army Corps of Engineers created chains of islands. The vegetation sprouting on some of these islands attracted a variety of seabird and wading bird colonies. The Corps of Engineers studied these islands, and wrote this 1978 report...
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