Broom Bridge also called Broome Bridge, and sometimes Brougham Bridge, is a bridge along Broombridge Road which crosses the Royal Canal in Cabra, Dublin, Ireland. Broome Bridge is named after William Broome, one of the directors of the Royal Canal company who lived nearby.
It is famous for being the location where Sir William Rowan Hamilton first wrote down the fundamental formula for quaternions on 16 October 1843, which is to this day commemorated by a stone plaque on the northwest corner of the underside of the bridge. After being spoiled by the action of vandals and some visitors, the plaque was moved to a different place, higher, under the railing of the bridge.
Given the historical importance of the bridge with respect to mathematics, mathematicians from all over the world have been known to take part in the annual commemorative walk from Dunsink Observatory to the site. Attendees have included Nobel Prize winners Murray Gell-Mann, Steven Weinberg and Frank Wilczek, and mathematicians Sir Andrew Wiles, Sir Roger Penrose and Ingrid Daubechies. The 16 October is sometimes referred to as Broomsday (in reference to Broome Bridge) and as a nod to the literary commemorations on 16 June (Bloomsday in honour of James Joyce).
The Sigma DP1 Quattro is the wide-angle sibling to the DP2 Quattro. Image quality is outstanding, but it’s slow to use and RAW processing requires much time and effort.
At low ISOs it’s on par with high-end full-frame and medium format systems but I have found it to have way too many problems. Colours are inconsistent as is image quality overall.
Pelletstown railway station is a railway station on the Western Commuter line in the Cabra area of Dublin, Ireland, beside the Royal Canal. The station was opened on 26 September 2021 by Minister for Transport Eamon Ryan and Tánaiste Leo Varadkar, becoming the first new station to open on the Iarnród Éireann network since Oranmore railway station opened in 2013.
Planning permission was originally granted in 2014, with modified permission approved in 2018. In 2018, Iarnród Éireann stated that construction would begin in 2019, but the groundbreaking did not take place until February 2020. As of early 2020, the project was projected to cost €10-€10.5 million.
The station is adjacent to the 8th Lock residential quarter development, owned by German investor Union Investment.
Pedestrians and cyclists can use the station to circumnavigate the Royal Canal, using the station’s footbridge to go between Royal Canal Avenue and Ashington Park.
The station takes its name from the townland of Pelletstown. This name traces back to the Middle Ages: Piletiston is recorded on the Close Roll of King Edward III c. 1375, the name meaning the tūn (settlement) of Ralph Pedelowe.
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