Readings Newsletter
Become a Readings Member to make your shopping experience even easier.
Sign in or sign up for free!
Sign in to Readings
Sign up to Readings
Create and share wishlists and easily view your order history.
Re-send account confirmation
Please note: requests using email addresses that aren't tied to an account will be ignored to keep customer details secure. If you do not receive an email within 30 minutes, you either do not have an account or your account is already confirmed.
Reset your password
Please note: requests using email addresses that aren't tied to an account will be ignored to keep customer details secure. If you do not receive an email within 30 minutes, you do not have an account.
Reset your password
Get started with your online account. To identify yourself, enter the email address you gave when signing up in store.
![Cover image for Instructions For The Computation Of A Table Of The Deviations Of A Ship's Compass From Deviations Observed On 4,8,16, Or 32 Points [&c.]](https://thumbs.readings.com.au/YH-J8MPYHEktb8KK6tWfe6Nk5TI=/0x500/https://readings-v4-production.s3.amazonaws.com/assets/6b2/748/43c/6b274843c8848f65dea8a6ec983a139b6487ddfa/978101942733020230811-2-ppr1it.jpg)
![Cover image for Instructions For The Computation Of A Table Of The Deviations Of A Ship's Compass From Deviations Observed On 4,8,16, Or 32 Points [&c.]](https://thumbs.readings.com.au/Ya2FLvlNoGzAiIMh9eiuim73eGE=/0x500/https://readings-v4-production.s3.amazonaws.com/assets/e6b/dba/e7e/e6bdbae7e8ded8e488cf55d908ed7b210c4f6136/978102120513120230913-2-cjs7j2.jpg)
![Cover image for Instructions for the Computation of a Table of the Deviations of a Ship's Compass from Deviations Observed on 4,8,16, or 32 Points [&c.]](https://thumbs.readings.com.au/8tCwVmAVIyqOd0OwXTQ2CE5HMZE=/0x500/https://readings-v4-production.s3.amazonaws.com/assets/8f9/1c4/9a7/8f91c49a767a9b068dbf752e40f9a97195c1269d/978035349348320230405-2-u8ymwi.jpg)
