Hi everyone - I am glad to have found this forum!
I have a modest collection of mechanical pencils, leadholders and some fountain pens that I have gathered over the course of my career. Another of my collections focuses on mechanical calculating machines from the 1960s.
The brand that ties these all together is Pilot. The attached photo shows a few of my Pilot pens and pencils with the Pilot P3 calculating machine from the mid 1960s.
Hello @mgsf! Welcome to the forum and you are surely in the right place.
Can’t wait to learn and see more of your calculating machines!
Your pencil selection is exquisite, I only spot awesomeness in the bunch of writing instruments within your shot, but let me tell you: that hand-crank calculator… The only thing I could see as better than that P3 is a Curta “pepper grinder” hand-held calculator itself.
Just look at the slanted position of the main crank handle: chef’s kiss! I’m drooling.
I have a much more modest “Original Odhner arithmometer” in plain gray — which I love of course — and it is so satisfying to play with. Does the P3 have a tiny bell ringing every time one runs out of cyphers, or goes below zero on the main register? Best sound to come out of these contraptions.
PS: Welcome! 
Thank you for the warm welcome!
The Odhner is a great machine, and one with a history dating back to the 1800s. Like your Odhner, the Pilot has a bell when the results register goes below zero - very useful for division.
Of course, no mechanical calculator collection is complete without a Curta. Here is mine, in desperate need of a cleaning, but still working. It was made in Lichtenstein, but I don’t think any pencils were made there - substituting a Swiss Fixpencil from just across the border.
Somehow I feel I had to know you already had a Curta… 
Great pieces — I am including the Fixpencil, of course.
One day I’ll find a Curta in decent conditions, for which I don’t have to sell my own soul: I would like to get the version with the longest number of significant cyphers (I think it is the one with twelve dials), but the choice is hard, and I also want to find the rounder container — which may be the one associated with the first batch.
Well, as I dream of Curtas, I leave for my bed: tomorrow the alarm will ring very soon. Thank you for sharing the pictures, it is always a pleasure to see a Curta in the wild.
I am always happy to see that Fixpencil FS in somebody’s collection! What a fantastic piece of kit! Welcome to Knockology!
Welcome to the forum! Lovely photos. There’s quite a few Pilot fans in here (me included) so we’ll be happy to see your collection
Welcome, @mgsf . Glad you are here!
