#sliderule

[nelc]

Buzz Aldrin, with pipe and slide-rule, on Apollo 11

[hezigler]

Slide rules and book of mathematical tables and formulas. How we did math before the invention of the electronic digital calculator.

[relogioserelogios]

New Hamilton Khaki Aviation Converter Automatic Chronograph, pilot’s watch with circular slide-rule. 🔥🔥🔥 The model has a 44 mm steel or PVD steel case and is equipped with the H-21 caliber, ETA7750 base, with silicon hairspring and 60-hour power reserve. 💰 From 1,845 Dollars . Novo Hamilton Khaki Aviation Converter Automatic Chronograph, relógio para pilotos com régua de cálculo circular. 🔥🔥🔥 O modelo possui uma caixa de 44 mm em aço ou aço PVD e é equipado com o calibre H-21, base ETA7750, com espiral de silício e reserva de marcha de 60 horas. 💰 A partir de 1.845 Dólares • • #hamilton #hamiltonwatch #hamiltonkhaki #pilotwatch #hamiltonkhakiaviation #sliderule #sportwatch #relogioserelogios https://www.instagram.com/p/CFmjn3SFKjN/?igshid=ybk243j89bt1

[amsterdamvintagewatches]

To provide meaningful architecture is not to parody history, but to articulate it. Vintage Arithmo with radium burn and double domed crystal 📐 #amsterdamvintagewatches #juvenia #juveniaarithmo #sliderule (bij Amsterdam Vintage Watches) https://www.instagram.com/p/BsYItYmgCpj/?utm_source=ig_tumblr_share&igshid=1gaesiwjmx21z

[agentcheesecake1701]

I have an object of curiosity.

I have no idea what year it is from, but I know how to find square roots.

[calibre61]

Regram from @cpl.watches - In honour of Helmut Sinn, founder of one of my favourite brands, who passed away on Feb 14 at the age of 101 _______________________________________________ #sinn #sinnnavitimer #navitimer #sliderule #pilotwatch #sinn903 #dailywatch #wruw #watches #watch #calibre61 @sinn_spezialuhren #reverse🐼 #🐼dial #flecto - #regrann

[robotofthedayblr]

Robot of the day: October 14, Inktober

[themadornithologist]

That's one big slide rule! #blackandwhite #selfie #physicslab #ceeohceecee #sliderule #math #mathnerd #bohemian #college #geo (at Central Oregon Community College)