Siglent SDS1202X-E Oscilloscope 1 min read Tools Siglent SDS1202X-E Oscilloscope Doug DeHaven February 14, 2023 Recent donation to the lab is this amazing digital oscilloscope! Donations like this keep the lab running!...Read More
Rare 1940’s “Star Pointer” 2 min read Collection Rare 1940’s “Star Pointer” Doug DeHaven February 9, 2023 Items like this where needed before the prevalence of laser pointers we have today, these are mini...Read More
Collection management 1 min read Collection Collection management Doug DeHaven February 2, 2023 As my collection expanded in size and diversity, I found it necessary to implement a systematic method...Read More
Monroe LA5-160 mechanical Calculator 2 min read Collection Monroe LA5-160 mechanical Calculator Doug DeHaven January 28, 2023 4 I recently picked up this broken Monroe LA5-160 Calculator for the collection, it was cheap for it...Read More
How a Gas pump nozzle works 2 min read Collection Projects How a Gas pump nozzle works Doug DeHaven January 28, 2023 Every want to know how a gas pump nozzle works? how it knows when to shut off?...Read More
A Pyranograph ( Solar output meter ) 3 min read Collection A Pyranograph ( Solar output meter ) Doug DeHaven January 16, 2023 Recently added to the collection is an old 1970’s Weather Measure Corp, Solar radiation recorder ( Pyranograph...Read More
1829 Henry Troemner No. 80 scale 1 min read Collection 1829 Henry Troemner No. 80 scale Doug DeHaven December 31, 2022 Just in to the collection is a 1829 Henry Troemner solution scale Model 80-B Almost 200 years...Read More
DIY Concert light show 1 min read Side Quest DIY Concert light show Doug DeHaven December 10, 2022 Set out to make my very own light show, here is the result of my first ever...Read More
Massive Screw head 1 min read Collection Massive Screw head Doug DeHaven December 6, 2022 2 Found this recently on a bike ride in the woods, any idea what it may be? It...Read More
Reverse Laser slit experiment 1 min read Science Reverse Laser slit experiment Doug DeHaven December 6, 2022 NOTE: I should be using the word diffraction and not interference in this video because it is...Read More