File:AbneyLevel.JPG

Original file (1,137 × 853 pixels, file size: 52 KB, MIME type: image/jpeg)

Summary

Description
English: Abney level or Inclinometer made by Eugene Dietzgen Company of Chicago circa 1936 (serial number 22098). The scale is reversible. As shown in the photo, it is set for measuring percent grade. The reverse measures degrees of arc.
Date
Source Own work
Author Douglas W. Jones

Licensing

I, the copyright holder of this work, hereby publish it under the following license:
Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

Captions

An Abney level (inclinometer) made by Dietzgen circa 1936

Items portrayed in this file

depicts

6 July 2014

image/jpeg

f33b873b95abc4e5edb0fc2f571351d2dc54252b

53,009 byte

853 pixel

1,137 pixel

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current21:41, 6 July 2014Thumbnail for version as of 21:41, 6 July 20141,137 × 853 (52 KB)Douglas W. JonesUser created page with UploadWizard

The following page uses this file:

Global file usage

The following other wikis use this file:

Metadata