To get almost back on topic, I use a Smiths English Clock Systems mechanical timer to time my film development; it's very reliable.
"SU pumps were just as (un)-reliable as Smiths instruments". --- Rollei List - Post to rollei_list@xxxxxxxxxxxxx- Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' in the subject field OR by logging into www.freelists.org
- Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with 'unsubscribe' in the subject field OR by logging into www.freelists.org
- Online, searchable archives are available at //www.freelists.org/archives/rollei_list
