WebDemo of the wonderful 1956 Friden mechanical calculator, and video of the innards and the restoration process. WebOn June 24, 1965, an option for both the EC-130 and EC-132 calculators was announced to all Branch and Agency managers via Friden Inter-Office Communication C-0045. The option was designated the 1901 Entry …
Old Calculator Web Museum Spec Sheet - Friden STW-10 Electro …
WebDec 5, 2011 · I am interested in restoring a Friden STW10 calculator and would like some 'words to the wise'. First off, what does a stuck key really ... 'Notes on Overhauling a Mechanical Calculator' by John Wolff: ... getting acquainted with Friden mechanical calcs. While there, I witnessed a few carriages being split. Afaik, the only ... WebApr 20, 2011 · A description of the primary functions of the Friden electro-mechanical calculator. Date of manufacture: approx. 1952. Fully working after a period of restoration. A slice of technological... ognl memberaccess
Friden Model STW-10 Electro-Mechanical Calculator
WebThe Monroe 950 is a 16-digit Nixie tube-display calculator. It performs the four basic math functions, and has a memory register. This calculator appears to have been built in early 1970, based on date codes on IC's within the machine which range from mid 1969 through early '70. Monroe 950 with Top Cover Removed WebJul 9, 2024 · numpy.log10 (prob) calculates the base 10 logarithm for all elements of prob, even the ones that aren't selected by the where. If you want, you can fill the zeros of prob with 10**-10 or some dummy value before taking the logarithm to get rid of the problem. (Make sure you don't compute prob > 0.0000000001 with dummy values, though.) … WebFriden Stw10 Mechanical Calculator Tensile Strength Unit Conversion Curta Mechanical Calculator For Sale First Mechanical Calculator Mechanical Advantage Calculator Pulley 1 lbs = 0.45359237 kgs Enter your values: Bore Of a Cylinder (b): inches Pound per Square Inch (PSI): Daimeter Of a Rod (d): Angle: Degrees Results: Push Of a Hydraulic Cylinder: ogn twitch