Re: Genuine or not?

Compass doesn't look quite right - if it's German I might expect East to be written as Ost. *Patrick Vyvyan* *Presidente* *Corporación Cultural de Putaendo* On 20 February 2017 at 12:22, Michael Ossipoff <email9648...@gmail.com> wrote: > It doesn't seem genuine to me. > >

Re: Dial face colouration

be worth examining as an ideal tone for a sundial? *Patrick Vyvyan* *Presidente* *Corporación Cultural de Putaendo* On 26 February 2017 at 12:08, John Lynes <jly...@iee.org> wrote: > There is no single optimum reflectance for a flat dial face. Obviously > under dim sunlight

Re: Astrolabes

! Patrick *Patrick Vyvyan* *Presidente* *Corporación Cultural de Putaendo* On 22 December 2016 at 09:24, Dan-George Uza <cerculdest...@gmail.com> wrote: > Dear group, > > While visiting the Barcelona CosmoCaixa this spring I saw a wonderful > looking astrolabe on disp

Fwd: Spackman, Green, and Cole

title may of course be a PhD, it's worth checking if he was simply a medical doctor. See: http://www.southampton.ac.uk/archives/cataloguedatabases/ webguidemss75.page Best wishes, Patrick *Patrick Vyvyan* *Presidente* *Corporación Cultural de Putaendo* On 6 April 2017 at 05:08, Wolfgang R

Re: Barrington Court multi-face dial

a very firm earlier provenance, perhaps both are late Victorian/Edwardian? I had a very quick glance at the Scottish chapter in The Book of Sun Dials by Mrs Alfred Gatty (1900 revised edition) but didn't see anything relevant. Best wishes to all, Patrick Vyvyan (also a bit of a radio ham, CD2PIH

Re: Impact of making instruments out of boxwood

century. In the latter case, this would suggest the woodland was managed, presumably factoring in supply and demand. Best wishes to all, Patrick *Patrick Vyvyan* *Presidente* *Corporación Cultural de Putaendo* On 7 September 2017 at 04:55, Patrick Powers <patrick_pow...@compuserve.com>

Re: Sundials in Belgrade / Novi Sad

this is of interest, best wishes, Patrick *Patrick Vyvyan* *Presidente* *Corporación Cultural de Putaendo* On 26 September 2017 at 03:42, Dan-George Uza <cerculdest...@gmail.com> wrote: > Hello, > > I will be travelling to Belgrade and Novi Sad next week. Can you recommend &

Re: How to save a sundial?

pe of work. Best wishes, Patrick *Patrick Vyvyan* *Presidente* *Corporación Cultural de Putaendo* On 24 August 2017 at 16:14, Dan-George Uza <cerculdest...@gmail.com> wrote: > Hello, > > There's a sundial on a ruined building which is going to be torn down > soon. We are t

Re: Dickens' sundial

by the writer. Best wishes, Patrick Vyvyan On 21 July 2018 at 04:21, Ian Maddocks wrote: > Hello Diallists > > > Whilst trawling Instagram #sundial i found this, asking for info about a > dial once belonging to Charles Dickens. Can anyone help them? > > There's a drawi

Re: Accuracy of wristwatch as compass

it, you might enjoy a glance at Malcolm Barnfield's article *The Sundial goes to War * http://www.sundials.co.za/THE%20SUNDIAL%20GOES%20TO%20WAR%20web.pdf Best wishes, Patrick Vyvyan On Mon, 22 Oct 2018 at 14:09, fabio.sav...@nonvedolora.it < fabio.sav...@nonvedolora.it> wrote: >

short BBC video

Enjoyable short video 3 minutes, featuring Adrian Rodriguez Cozzani which may be of interest: https://www.bbc.com/reel/video/p074qwm6/the-guardian-of-the-sands-of-time --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Wheatstone's polarizing sundial

sunlight. Best wishes, Patrick Vyvyan On Tue, 21 May 2019 at 16:07, Maes, F.W. wrote: > Recently the Tesseract Catalogue 109 was announced on this list. Item nr. > 13 is a polarizing sundial by Charles Wheatstone. A virtually identical > dial is in the collection of the Greenwich mus

Re: What accuracy to aim for with a carefully made sundial?

A basic problem with the accuracy of sundials is the Analemma. Due to the tilt of the Earth, the position of the shadow for a given time moves in a "figure-of-eight" shape over the course of the year. Therefore, even if the sundial is very accurately marked and positioned, the shadow will only

Re: What's the inner scale on this photo for?

I'm afraid I can't give you any answers , but the original is in the Science Museum, London. They don't give any clues either, but I guess you could contact them https://collection.sciencemuseumgroup.org.uk/objects/co143/azimuth-sun-dial-simple-azimuth-sundial Best wishes, Patrick Vyvyan On Mon

Frank Cheney

Probably the same person? Best wishes, Patrick Vyvyan <https://www.avast.com/sig-email?utm_medium=email_source=link_campaign=sig-email_content=webmail> Libre de virus.www.avast.com <https://www.avast.com/sig-email?utm_medium=email_source=link_campaign=sig-email_content=webmail> <

Re: Sundial in walking stick

Rather curious to know what it makes finally, from what I can see it looks to be a modern novelty very similar to this one currently out of stock on the Internet https://www.alibaba.com/product-detail/Vintage-Brass-and-Wood-Sundial-Compass_1006081836.html Best wishes to all, Patrick Vyvyan