Layout tool

Layout tool

This topic has 27 replies, 12 voices, and was last updated 4 June 2022 at 06:06 by Michael Gilligan.

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3 June 2022 at 23:25 #600509
Michael Gilligan
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@michaelgilligan61133
This rather compounds the mystery: **LINK**

https://victoriancollections.net.au/items/5aef1eee21ea6d03f0872589

MichaelG.

Edit: __ reference to G Delgardo found here:

https://sliderules.lovett.com/ARTICLES/SKID/SS43.pdf

Edited By Michael Gilligan on 03/06/2022 23:51:18
Advert

4 June 2022 at 00:23 #600513
Michael Gilligan
Participant
@michaelgilligan61133
Another small step … But I can’t locate a copy of 364,508

.

Sorry about the image quality …it’s a screen-grab from this: **LINK**

https://books.google.co.uk/books?id=jxJLAQAAMAAJ&pg=PA1168&lpg=PA1168&dq=%22Device+for+laying+off+geometric%22+-us&source=bl&ots=aES-DWE1_-&sig=ACfU3U0tuh0Jn5oxttjx9lJnOpBEmoFJJw&hl=en&sa=X&ved=2ahUKEwiFlY7q25H4AhXLEsAKHYyvADkQ6AF6BAgDEAM#v=onepage&q=%22Device%20for%20laying%20off%20geometric%22%20-us&f=false

.
4 June 2022 at 06:06 #600517
Michael Gilligan
Participant
@michaelgilligan61133
Better luck this morning … here it is : **LINK**

https://worldwide.espacenet.com/patent/search?q=pn%3DUS364508A

MichaelG.

.

Edit: __ His use of a ‘polygonal disk’ looks like a devious [and presumably successful] avoidance of the earlier patent !!

Edited By Michael Gilligan on 04/06/2022 06:18:03
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