Description:
- Object ID: ALSA 2009.03.02
- Made by: Lufkin Rule Co. of Canada Ltd.
- Model: DLS Standard
- Serial Number: 791
- Date Made: Circa 1955.
- Approximate size: Unknown.
- Accessories: Verification documentation.
- Condition: good
Commentary:
This DLS Standard Tape No 791 was owned by Wally Youngs DLS and ALS. who was a past diector of survey for the province of Alberta..It is calibrated on one isdie in metres and on the other side in feet.
With the tape are Canada National Research Council verification documents. One of the document shown in the image above – Report No. APEM dated July 13, 1955 states that at a temperature of 68 F and with a tension of 10 pounds that: 0-100 feet on the tape = an actual length of 100.003 feet and that 0 – 100 links on the tape = an actual length of 100.007 links.
Source of Object: Donated by Wally Youngs, ALS, DLS
Notes: The Society has two otherDLS Standard tapes, ALSA 2011.02.03 (Dawson) and ALSA 2006.27.01 (Edwards).
References: Visit articles Chaining – an Art and a Science and The Gunter’s Chain is Replaced by the Steel Band Chain for additional information.
Description by: Entered by Ed Titanich on December 16, 2024.