File:Patent for a Signaling system US1826501.pdf
Appearance
![File:Patent for a Signaling system US1826501.pdf](http://upload.wikimedia.org/wikipedia/commons/thumb/6/6d/Patent_for_a_Signaling_system_US1826501.pdf/page1-408px-Patent_for_a_Signaling_system_US1826501.pdf.jpg)
Size of this JPG preview of this PDF file: 408 × 600 pixels. Other resolutions: 163 × 240 pixels | 326 × 480 pixels | 522 × 768 pixels | 1,158 × 1,702 pixels.
Original file (1,158 × 1,702 pixels, file size: 1.42 MB, MIME type: application/pdf, 10 pages)
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 21:38, 2 March 2024 | ![]() | 1,158 × 1,702, 10 pages (1.42 MB) | Bayoustarwatch | Uploaded a work by Bornett L. Bobroff (15 Sep 1882 - 27 Dec 1945) from Patented Oct. 6, 1931 1,826,501 UNITED STATES PATENT OFFICE BORNETT L. BOBROFF, OF MILWAUKEE, WISCONSIN SIGNALING SYSTEM Application filed July 11, 1927. Serial No. 204,892. https://patentimages.storage.googleapis.com/39/90/bf/38440fe5d2922e/US1826501.pdf with UploadWizard |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):