Science and Technology > Engineering

This journal is all about exploring, observing, and being creative. You're invited to write down any thoughts, questions, or ideas you have and dive deeper into them. It's your special place to jot down anything you want to learn more about. Use this journal to document your experiments and cool ideas, and share what you discover as you go along!

A detailed repair supplement for the earliest of the Thomas Organ Vox amplifiers. This adds to the design and how-it-works information in the Vox Owner's Safety Net with detailed parts lists, schematics, debugging voltages, and advice on replacement parts. This supplement corrects the mistakes in the Thomas Vox factory service literature.

The Repair Supplement to the Vox Owner's Safety Net for the Vox Cambridge Reverb V1031 and V1032, and the electronically identical Berkeley II V1081. This manual covers detailed schematics, PCB diagrams, parts lists, parts substitutions and other information for repairing these vintage amps. It extends the design and overview information to the Vox Owner's Safety Net.

Far more than just a dry technical work, "Confessions of an Audioholic" is an entertaining, humanistic and very personal glimpse into the world of consumer electronics products. Steve Feinstein--a consumer electronics veteran of more than 40 years--shares his insights, observations and opinions about the most memorable equipment, companies and personalities of the last half-century. Even if you don't know the difference between a capacitor and a decibel, you will find this book endlessly fascinating and captivating.

This book considers two process capability indicators (Cp,Cpk) in combination with four measurement system capability indicators and explores their mathematical relationships. This is motivated by a critical need to understand the impact a measurement system may have on a process assessment.

The author of "The Proxy Robotics Trust Patents and Intellectual Property" is a pioneer in this field and inventor of record for each of the patents described in the book. As a portfolio of the holdings of The Proxy Robotics Trust, the seven Sections of this book briefly describe seven proxy robotics patents granted by the U.S. Patent and Trademark Office, with each introduction followed by a copy of the complete patent. Proxy Robotics is the new wave of space exploration, and all patents and intellectual property of The Proxy Robotics Trust are available for license or outright sale.

The V1141 Beatle Repair Supplement contains information helpful in repairing the Thomas Organ Vox V1141 "Beatle" guitar amplifier. It extends the more general how-it-works information contained in the Vox Owner's Safety Net with V1141-specific schematics, parts lists, board diagrams and other info on this one model. It is much more than a copy of the original factory schematics, and includes entirely redrawn schematics and board diagrams as well as working voltages taken from simulations of the circuits. This allowed sidestepping the occasional error in the original Thomas Organ service information. This information is suitable for the owner of a Beatle who wants to keep his amp runn ...

A detailed Repair Supplement to the Vox Owner's Safety Net for the specific models V1121 Buckingham and V1151 Viscount. These models are electronically identical. They differ only in the Buckingham being a head-and-cabinet while the Viscount is a combo style. The Supplement is intended for the experienced electronic tech or hobbyist who wants to know how to repair his amp. The Supplement contains detailed parts lists, parts substitutions, schematics, PCB diagrams, modification and real-world repair advice on what to watch for. The schematics and PCB diagrams have been drafted fresh from zero, for better understanding of the somewhat opaque style of the Thomas Organ service literature - t ...