Catenary Chart 3

One of 523 items in the series: National Bureau of Standards Reports available on this site.
Thumbnail image of item number 1 in: 'Catenary Chart 3'.
Thumbnail image of item number 2 in: 'Catenary Chart 3'.

PDF Version Also Available for Download.

Description

Chart of catenary curve ordinates: "The curve gives approximate values of sag at all points on the catenary curve expressed in per cent of the center sag. The error is negligible for all spans in which the center sag is less than 10% of the span length." It is enlarged from figures in NBS discussion of national electrical safety code (handbook H39).

Physical Description

1 chart : ill. ; 57 cm.

Creation Information

United States. National Bureau of Standards. August 7, 1944.

Context

This item is part of the collection entitled: Technical Report Archive and Image Library and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 36 times . More information about this item can be viewed below.

Who

People and organizations associated with either the creation of this item or its content.

Author

Publisher

Provided By

UNT Libraries Government Documents Department

Serving as both a federal and a state depository library, the UNT Libraries Government Documents Department maintains millions of items in a variety of formats. The department is a member of the FDLP Content Partnerships Program and an Affiliated Archive of the National Archives.

About | Browse this Partner

Contact Us

Corrections Questions

What

Descriptive information to help identify this item. Follow the links below to find similar items on the Digital Library.

Titles

Description

Chart of catenary curve ordinates: "The curve gives approximate values of sag at all points on the catenary curve expressed in per cent of the center sag. The error is negligible for all spans in which the center sag is less than 10% of the span length." It is enlarged from figures in NBS discussion of national electrical safety code (handbook H39).

Physical Description

1 chart : ill. ; 57 cm.

Language

Item Type

Identifier

Unique identifying numbers for this item in the Digital Library or other systems.

Relationships

Collections

This item is part of the following collection of related materials.

Technical Report Archive and Image Library

This selection of materials from the Technical Report Archive and Image Library (TRAIL) includes hard-to-find reports published by various government agencies. The technical publications contain reports, images, and technical descriptions of research performed for U.S. government agencies. Topics range from mining, desalination, and radiation to broader physics, biology, and chemistry studies. Some reports include maps, foldouts, blueprints, and other oversize materials.

About | Browse this Collection

Related Items

[Charts for Various Aspects of Poles] (Technical Drawing)

[Charts for Various Aspects of Poles]

Chart 1A-1B. Conductor loading nomograph, Chart 2A. Bending moment due to wind pressure on pole, Chart 2B. Ultimate resisting moments of wood poles, Chart 3. Catenary curve.

Relationship to this item: (Is Part Of)

Conductor Loading Nomograph Chart 1A, ark:/67531/metadc100687

Conductor Loading Nomograph Chart 1B (Technical Drawing)

Conductor Loading Nomograph Chart 1B

Chart related to conductor loading showing vertical, transverse and conductor loads in pounds per linear feet of conductor. It is enlarged from figures in NBS discussion of national electrical safety code (handbook H39).

Relationship to this item: (Is Part Of)

Conductor Loading Nomograph Chart 1B, ark:/67531/metadc100688

Bending Moment Due to Wind Pressure on Pole Chart 2A (Technical Drawing)

Bending Moment Due to Wind Pressure on Pole Chart 2A

Chart showing bending moment due to wind pressure on poles for various pole heights, circumferences, and loading. It is enlarged from figures in NBS discussion of national electrical safety code (handbook H39).

Relationship to this item: (Is Part Of)

Bending Moment Due to Wind Pressure on Pole Chart 2A, ark:/67531/metadc100689

Ultimate Resisting Moments of Wood Poles Chart 2B (Technical Drawing)

Ultimate Resisting Moments of Wood Poles Chart 2B

Chart showing the ultimate resisting moments of wood poles based on the circumferences at ground line for different kinds of woods. It is enlarged from figures in NBS discussion of national electrical safety code (handbook H39).

Relationship to this item: (Is Part Of)

Ultimate Resisting Moments of Wood Poles Chart 2B, ark:/67531/metadc100690

What responsibilities do I have when using this item?

Digital Files

When

Dates and time periods associated with this item.

Creation Date

  • August 7, 1944

Added to The UNT Digital Library

  • Feb. 24, 2016, 4:27 p.m.

Description Last Updated

  • April 21, 2016, 4:16 p.m.

Usage Statistics

When was this item last used?

Yesterday: 0
Past 30 days: 1
Total Uses: 36
More Statistics

Interact With This Item

Here are some suggestions for what to do next.

Start Viewing

Thumbnail image of item number 1 in: 'Catenary Chart 3'.
Thumbnail image of item number 2 in: 'Catenary Chart 3'.

PDF Version Also Available for Download.

Citations, Rights, Re-Use

International Image Interoperability Framework

IIF Logo

We support the IIIF Presentation API

United States. National Bureau of Standards. Catenary Chart 3, item, August 7, 1944; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc100691/: accessed June 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.