Contents Lesson 1 Lesson 2 Lesson 4 Profiles of Scientists Credits Lesson 3 Transistors in Your Life: A Transistor Hunt Overview In this lesson, students search for transistor-based devices at school.

Lesson 4 Using Transistors: Let’s Get Transistorized! Overview In this lesson, students build two circuits and explore how transistors function. Objectives • To observe how a transistor functions in a ...

The First Transistorized Computer January, 1954: If transistors could replace vacuum tubes in the phone system, then they certainly could replace them in computers too. The army, with its need for ...

Lessons and worksheets may be freely copied for classroom use. To order a copy of the video Transistorized! and the Teacher's Guide, call PBS Learning Media at 1-800-344-3337.

1954: IBM builds the first calculating machine to use solid-state transistors instead of vacuum tubes. IBM already had a business selling calculating machines, and it was humming along quite ...

Morris Tischler, a retired science teacher who invented a 1950s transistorized cardiac pacemaker, died of respiratory failure March 9 at his Pikesville home. He was 89. He was born in Newark, N.J ...

Technology: Transistorized Ignition 3 minute read TIME November 2, 1962 12:00 AM GMT-5 ...

According to Sonotone, the semi-transistorized instrument gets twice the normal service out of an A-battery and makes a standard B-battery last six months instead of the usual three or four weeks.

Multiplier photo-cells normally require a high tension supply of the order of 1000 volts. This supply is usually obtained from the electricity supply mains by means of conventional rectifiers and ...

Transistorized EHT supply for multiplier photo-cells.The BBC grants permission to individuals and organisations to make copies of any White Paper as a complete document (including the copyright ...