Someone is still making slide rules

[Benjer]

(01-01-2020 01:19 AM)Helix Wrote:  Some specialized slide rules (or calculators) are still manufactured:
https://mhmear.co.uk

To add to this, a couple of other special-purpose slide rules still in production.

Feild's Hydraulics Calculator for gravity flow in pipes.

Moonstick for calculating moon phases.