Due to an attack on the old, out-of-date Needhamia.com web site, I’ve rebuilt the site on a modern host, rebuilding from LibreOffice files of the old posts to avoid transferring any infection from the old site.
Continue reading Needhamia Emmigrates to a New Needhamia.comMonthly Archives: May 2021
The High Cost of Owning a Clock
…or why you should learn to maintain your own clock.
So you’re looking at that clock in the antique mall window. Perhaps it’s a lovely old Sessions Black Mantel clock, with lion heads and metal arches. It runs, and it’s only $90, so you take it home.
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Clock Repair: My Meager Knowledge of the Hardness of Metals
It’s taken me a while to learn some basic metallurgy that I need for clock repair. When I started I scratched up my brass clock plates by cleaning with SOS pads – steel wool – because I didn’t know that steel is harder than brass. In this post I collect what I’ve picked up in this metals game of Scissors, Paper, Rock.
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How to Use Git Revision Control
Introduction
GIT is a file-revision control system, popular for open source projects because it supports widely-dispersed development teams. Unlike earlier revision control systems, it has no central server: each user has a separate copy of all the file revisions.
GitHub has a nice cheat sheet to use once you’re familiar with Git.
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Getting Started With 3D Printing
One of the things holding me back from 3D printing for so long was learning what tools I needed and how to use them. It’s relatively easy to print things once you have a design: Cults3D, Hubs, and many others (including your friends who have printers) can print your designs, your local library may have printers for you to use, or you can buy a printer for a few hundred dollars.
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