Calculators
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For this week's MM theme, I again, thought of an old friend who's been with me for decades. We spent a lot of nights solving endless problems together and she always got me through each one of them. Things have changed a lot since but I decided to keep her all these years. I'm sure someone out there might still have a slide rule hiding somewhere.
GROUP: MACRO MONDAYS
THEME: NUMBERS AND LETTERS
SUBJECT: A LOYAL CALCULATOR
(less than 2" horizontally)
Original Odhner Moder 127 with TI-30XllB hand held scientific calculator and K&E 4081-3 LogLog Duplex DeciTrig Slide Rule
Taken for 'Saturday Self Challenge': "Mechanical workings"
The inner workings of a mechanical calculator. Specifically this is a pinwheel mechanism from a Multo calculator, I think dating from the 1950s.
#276
Here is one of my potential Macro Monday captures taken today for the theme this week that is "Back in the Day".
This was my grandfather's calculator he used for work and for doing taxes. Can add, subtract and multiply.
Captured here at f/32, ISO 100 for 30 seconds.
The numbers I entered into the mechanical machine is the 'date' around when these were made.
My contribution to Macro Mondays' challenge, "Pouch", on 14 Sep 2020. It's a well-used HP financial calculator, a relic from my pre-retirement past.
The Lightning Calculator Company of Grand Rapids, Michigan. Manufactured 1900-1925. (For a description: collection.maas.museum/object/372791)
This model belonged to and was well used by my grandfather. Stylus may not be original but has been with the machine since at least the late 1940s. Still works perfectly.
I couldnt get the water drops dry - new ones kept coming :(
Taken using the Tilt Calculator app for iPhone :)
(tilt + slight downward shift)
For WAH who are visiting calculators. I couldn't decide so you get both with this for the daily shot and the other for the 123.
***Please View Large on Black (Press L for large in lightbox mode, or click here) ***
I managed to catch a bright -3 magnitude (-7 at center) Iridium Flare on Saturday night on a camping trip at Lake Dillon to celebrate Father's Day with my in-laws. The flare occurred at 22:53:37 and can be verified by the Heavens Above website Iridium Flare calculator here.
This is my third Iridium Flare to catch by luck when doing some night photography. For those new to them, Iridium Flares are caused by a constellation of highly reflective communication satellites (Iridium system) that regularly and predictably glint off the sun. See below for other examples from my stream and have a great week ahead!
Project "my first..." : CALCULATOR
commodore 797D Solid State
Electronic Calculator
1979
GROUP: MACRO MONDAYS
THEME: BACK IN THE DAY
I have no idea why I'm still hanging on to this calculator, my very first one. I know it has helped me a lot in passing exams that I could have not done with a slide rule!
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Father's mechanical calcuator. He was using it in bank. Today is nice reminder. With playing in PS I got this vintage look.