what page? ----- Original Message ----- From: "The Shaws" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Sunday, January 19, 2003 5:51 PM Subject: Re: Sundials in Manchester of all places
> I've just got back from the Exhibition of the proposed sundials in > Manchester at the Urbis museum. > I was hoping to take photos of models of the proposals, but so far the > sundials are only drawings with written explanations - so that makes it > difficult to have anything to show. > > A few ideas that were shown in diagram form were:- > > 1) Very tall flowers (lamp post size) arranged so that on the hour, light > would shine directly down the "stem", so illuminating a light sensitive > switch which would then make the flower open for an hour - one flower for > each hour. > 2) A series of tent like structures, again arranged so that the sun would > shine in the top on the hour - one per hour again. > 3) A polar dial on top of a bus stop (diagram from Peter Drinkwater's book > shown) - arranged so that the shadow a stopped bus will not interfere even > at the winter solstice > 4) The shadow of the top corner of a building to fall on an analemma in a > public square indicating 9am > 5) An analemma using a human as gnomon - stand on this spot (but surely that > would be height dependent) > 6) Two upright monoliths with a small gap to indicate noon > 7) An upright rectangular slab which rotates throughout the day to always > keep the shadow to a minimum, and which rises out of (and falls into) the > ground to keep the shadow length the same height all day. > > There were several more that I couldn't really understand. There was nobody > there to ask. > > I e-mailed the organiser several days ago asking for more details - no > response to date. > I have also left my e-mail and phone number at the museum with a request > that the Urbis curator contact me. > > I did try to get some photos - when I process them, I'll put any that are > worth viewing on my web page - watch this space. > > Mike Shaw > > 53' 22" North > 03' 02" west > Wirral, UK > > - > -
