Acceptance of Terms

By accessing or using the Historical Engineering Library (the “Library”), you agree to be bound by these Terms of Use. If you do not agree, please do not use the Library. We may revise these terms from time to time; continued use after changes constitutes acceptance.

Lawful Personal Use

The Library is provided for lawful, personal, non-commercial use. You may browse, search, and download ebooks for your own reading, study, or research. Any other use, including reproduction for commercial purposes, redistribution, or public display without prior written permission, is prohibited.

Prohibited Misuse

You agree not to:

• Use the Library for any unlawful purpose or in violation of any applicable law.
• Attempt to interfere with the functioning of the Library, including by introducing viruses, overloading servers, or disrupting access.
• Engage in automated extraction, scraping, or data mining of content without our express written consent.
• Access or attempt to access any system, account, or data that you are not authorized to access.

Automated Extraction and Interference

Automated tools, bots, or scripts that systematically retrieve content from the Library are not permitted unless specifically authorized. We reserve the right to block or restrict access from any user or device that we reasonably believe is engaging in such activity, without prior notice.

Bibliographic and Transcription Limitations

Ebooks in the Library are provided as digital reproductions of public-domain texts. While we strive for accuracy, transcriptions may contain errors, omissions, or variations from the original printed works. Bibliographic metadata is offered for informational purposes and may not be complete or current. Users should verify critical information against authoritative sources.

Copyright and Public-Domain Status

All ebooks in the Library are believed to be in the public domain in the United States and many other countries. However, copyright laws vary by jurisdiction. It is your responsibility to confirm the legal status of any work before using it in a manner that may require permission. Some works may still be under copyright in certain countries. We do not warrant that every ebook is free of copyright restrictions worldwide.

User Responsibility

You are solely responsible for your use of the Library and any content you download or access. You agree to comply with all applicable local, national, and international laws. The Library is not liable for any consequences arising from your use of its content.

Third-Party Links

The Library may contain links to third-party websites or resources. These are provided for convenience only. We do not endorse or assume responsibility for the content, privacy practices, or availability of any third-party site. Your interactions with such sites are solely between you and the third party.

Technical Availability

We aim to provide reliable access to the Library, but we do not guarantee uninterrupted or error-free service. Access may be suspended temporarily for maintenance, updates, or unforeseen circumstances. We reserve the right to modify or discontinue any part of the Library at any time without prior notice.

Editorial Notes and Presentation

Ebooks in the Library are accompanied by editorial notes, introductions, and reading guides prepared by our editors. These materials represent the views of the editors and are intended to enhance understanding. They should not be considered definitive or authoritative. The presentation of works, including categorization and metadata, is subject to editorial judgment.

Rights-Holder Notices

If you believe that any content on the Library infringes your copyright or other rights, please contact our editor at editor@ihuas.com with a detailed description. We will respond promptly and take appropriate action.

Warranty Disclaimer

THE LIBRARY AND ALL CONTENT ARE PROVIDED “AS IS” AND “AS AVAILABLE” WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, ACCURACY, OR NON-INFRINGEMENT. NO WARRANTY IS MADE THAT THE LIBRARY WILL MEET YOUR REQUIREMENTS OR BE UNINTERRUPTED, SECURE, OR ERROR-FREE.

Limitation of Liability

TO THE FULLEST EXTENT PERMITTED BY LAW, THE LIBRARY AND ITS EDITORS SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES ARISING OUT OF OR RELATED TO YOUR USE OF THE LIBRARY, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO EVENT SHALL OUR TOTAL LIABILITY EXCEED ONE HUNDRED DOLLARS ($100).

Suspension of Abusive Access

We reserve the right to suspend or terminate access to any user who violates these Terms or engages in abusive conduct, including excessive downloading, automated scraping, or any activity that harms the Library or its users. Suspension may occur without prior notice.

Service Changes

We may change, suspend, or discontinue any aspect of the Library at any time, including content features, access policies, or these Terms. We will endeavor to provide notice of material changes, but you are responsible for reviewing the Terms periodically.

Severability

If any provision of these Terms is found to be invalid or unenforceable, the remaining provisions shall continue in full force and effect. The invalid provision shall be modified to the minimum extent necessary to make it enforceable.

If you have questions about these Terms, please contact us at editor@ihuas.com.