Introducing the Advanced Astrolabe

For quite some time now I have been basing my class, and my discussions here, on an astrolabe with fairly basic options. Linked to the right you will find a zip file containing the components for this basic astrolabe, along with the handout for my class. But there is more to the astrolabe than just […]

Another astrolabe in work

This one is a metal astrolabe. A work in progress that uses some of the output of the Astrolabe Generator. Images used with permission.

An Astrolabe in Work

I got this last night via Twitter: https://twitter.com/cforchino/status/434176137216794626 Nice work, he has a steadier hand than I do. Please do email or tweet me your astrolabes, I’ll be glad to post them. Addresses are on the right.  

What I’ve been up to

Wow, how time flies. It is almost a year since I last posted here.  New Years Resolution: Post at least once a week. Yeah, let’s see how long That One lasts… Not that I’ve been idle. In the intervening months I have gotten quite a bit done, I just haven’t been sharing. Since my last […]

Drafting the Astrolabe 11: The Unequal Hour Arcs

The next step, and the last scale to be added to the back of my astrolabe, is the unequal hour scale. In the middle ages, there where several timekeeping systems in use, as opposed to the single one we use now. This next scale was designed to convert between two of these systems: The Equal […]