Tuesday, 30 January 2024

Telephone directory

Have you see how small the telephone directory is these days? Its more like a pamphlet than a directory! In the olden days the telephone directory was a weighty tone, so thick that it was used as one of the tasks in televised strongman competitions, to tear directories in half! Even i could tear a current one though i'd struggle with the Birmingham directory from 1980 (as below).

The directory is mostly just lists of numbers, in alphabetical order of the phone line owner. It was interesting to look through at numbers i remember from decades ago (yet i still struggle to remember my own mobile number!) In the centre of the directory is the rather fabulous Green Pages detailing the various services of the General Post Office telephone service - Post Office Telecommunications (soon to become British Telecom) which we will look at in further detail at a later time.




Saturday, 27 January 2024

Mysterious keys (9) : Olympia's variation on margin-release

As we saw earlier in this series, the margin-release key allows you to override the margin stops on a line, handy if you just need one or two extra characters to finish a word. However, there is no standard way to represent this function, Olympia used four dots on the Olympia SF Deluxe which isn't very descriptive but i suppose once you know what it means...



Tuesday, 23 January 2024

SR10

The latest typewriter in the collection, a Silver-Reed SR10, is a rather nice one. A new ribbon has been procured so we will fit it soon.




Sunday, 21 January 2024

National Semiconductor Novus 750

This recent addition to the calculator collection was manufactured in about 1976 and has a very pleasing 1970s beige and brown look. The calculator supports the four arithmetic functions only though displays numbers with a lovely red LED display.

The calculator does turn on though is pretty flakey. The slightest movement can clear the display. Like many calculators of this vintage the logic of the CPU seems to have suffered bit rot. It can display entered numbers but not really do anything with them.




Tuesday, 16 January 2024

Trimphone

Time for another addition to the collection, however it is not a typewriter or a calculator this time! Instead, i have bought a GPO Trimphone 722, the slim more modern counterpart to the venerable 746 dialphone. The trimphone is a bit battered but looks very nice, it is a shame i won't be able to make it ring out with it's warbling chirp chirp ring as i don't have a landline anymore, though my Mum does...

Update: I have tested it on Mum's landline. I even made a video which will be posted here at a later date...