Magnetical Instructions: For the Use of Portable Instruments Adapted for Magnetic Surveys and Portable Observatories, and for the Use of a Set of ... Forms for the Registry of Magnetical and M - Hardcover

C. J. B. Riddell

Hardcover

ISBN 10: 0484866400 ISBN 13: 9780484866408

Publisher: Forgotten Books, 2017

Synopsis

Mastering Magnetical Observations for Portable and Fixed Observatories

Discover a practical guide to measuring the Earth’s magnetic elements. This volume explains how to determine declination, inclination, and horizontal intensity with portable and fixed instruments alike, and how to compute total intensity from observed data.

This edition presents construction notes for instruments, procedures for regular and absolute determinations, and guidance on conducting magnetical surveys. It emphasizes reliability, consistency, and the careful handling of observations in varying conditions, including during auroras.

• How to set up and align magnetometers, inclinometers, and other essential instruments.
• Step-by-step observation schedules for regular, hourly, and extraordinary readings.
• Methods for calculating absolute values and checking the consistency of differential results.
• Guidance on portable versus fixed observatories and how to adapt procedures accordingly.

Ideal for researchers and technicians building or upgrading a magnetical observatory, or anyone conducting field surveys that require precise magnetic measurements. This edition supports careful experimentation, documentation, and long-term data reliability.

Edition details

• Publisher: Forgotten Books
• Publication date: 2017
• Language: English
• ISBN 10: 0484866400
• ISBN 13: 9780484866408
• Binding: Hardcover
• Number of pages: 177