Simon Willison’s Weblog

Elaborate Halloween Costume Tips from a 19th-Century Guide to Fancy Dress (via) The gilded age had some ridiculous parties. Here are highlights of the most popular costume guide of the era, now available on the Internet Archive.

Posted 26th October 2017 at 2:01 pm

Recent articles

OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI - 12th December 2025
GPT-5.2 - 11th December 2025
Useful patterns for building HTML tools - 10th December 2025

history 41 internet-archive 14

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