File:Mainboard of calculator HP-67 in opened device.jpg

DescriptionMainboard of calculator HP-67 in opened device.jpg	English: Scientific calculator HP-67 without backcover and batteries, image section shows the main circuit board with most ICs of this early computer.
Date	19 December 2015, 15:53:27
Source	This file was derived from: Scientific calculator HP-67 without backcover and batteries.jpg:
Author	File:Scientific calculator HP-67 without backcover and batteries.jpg: leighklotz derivative work: Pittigrilli

This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: cropped to mainboard. The original can be viewed here: Scientific calculator HP-67 without backcover and batteries.jpg: . Modifications made by Pittigrilli.

I, the copyright holder of this work, hereby publish it under the following license:

This file is licensed under the Creative Commons Attribution 2.0 Generic license.

You are free:

• to share – to copy, distribute and transmit the work
• to remix – to adapt the work

Under the following conditions:

• attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

https://creativecommons.org/licenses/by/2.0CC BY 2.0 Creative Commons Attribution 2.0 truetrue

This image is a derivative work of the following images:

• File:Scientific calculator HP-67 without backcover and batteries.jpg licensed with Cc-by-2.0
  • 2022-11-12T16:08:39Z Pittigrilli 1500x2700 (2500210 Bytes) background removed
  • 2022-11-12T15:12:11Z Pittigrilli 1500x2700 (1465447 Bytes) corrected perspective, cropped borders
  • 2022-11-12T15:02:38Z Pittigrilli 2448x3264 (2196860 Bytes) Uploaded a work by leighklotz from https://www.flickr.com/photos/leighklotz/23227686704/in/photostream/ with UploadWizard

Uploaded with derivativeFX