✦ LIBER ✦

An easy-to-build digital flow meter (drop recorder)

✍ Scribed by Hobe Schröder

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

An easy-to-build-timer for kinetic measu

✍ Dr. Tom Beumer; Hans Lenssinck; Arie Pennings; Clemens Haanen 📂 Article 📅 1984 🏛 John Wiley and Sons 🌐 English ⚖ 349 KB