Science & Engineering Feats!

Machines in History

Primary Sources of Historical Machines Still Used Today

Each of the machines featured below are still used today in some modern form or fashion.
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Emissions Testing in the 1970's

This is a photo of an emissions testing machine from 1975.

(Insert Answers to Questions)


1) What type of source is this? Letter, photograph document, etc

2) What can you infer about the time period from this source?

3) Does the source reinforce what you already knew about the person or topic? How? Why?

4) Did you learn anything new or interesting from this source? Explain.

5) Did this invention or scientific discovery improve life at the time? How?

6) Is the discovery or invention still relevant today? How?

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Drawing of First Adding Machine

The adding machine has come a long way! Think about what we have now, credit card readers and iPads.


1) What type of source is this? Letter, photograph document, etc

2) What can you infer about the time period from this source?

3) Does the source reinforce what you already knew about the person or topic? How? Why?

4) Did you learn anything new or interesting from this source? Explain.

5) Did this invention or scientific discovery improve life at the time? How?

6) Is the discovery or invention still relevant today? How?

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NORAD Computers

NORAD is still headquartered in Colorado. Consider adding images of the modern version of the technology (like below) if you can find examples.


1) What type of source is this? Letter, photograph document, etc

2) What can you infer about the time period from this source?

3) Does the source reinforce what you already knew about the person or topic? How? Why?

4) Did you learn anything new or interesting from this source? Explain.

5) Did this invention or scientific discovery improve life at the time? How?

6) Is the discovery or invention still relevant today? How?

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