All posts by David Corns

Thorium: An Alternative Nuclear Future — Professor Bob Cywinski — 21st October 2013.

Professor Bob Cywinski presen­ted a case for the use of thorium in nuc­lear react­ors for power gen­er­a­tion. It was delivered in a manner that was logical and easily under­stand­able, even to the non-scientific mem­bers of our club. In brief the case is set out below.

World energy con­sump­tion is rising. The CO2 emit­ted is caus­ing cli­mate change and global warm­ing. Most experts agree that renew­able sources, even com­bined with effi­ciency sav­ings, cannot meet the demand.

Nuclear power, fuelled by Uranium, provides a low-carbon way to meet energy needs. But there are prob­lems and public res­ist­ance, par­tic­u­larly on issues of safety, waste man­age­ment and pro­lif­er­a­tion. However using thorium as nuc­lear fuel instead of uranium can help to solve all three issues:  thorium react­ors can be run in sub­crit­ical mode: when switched off they stay off;  the waste from Thorium react­ors decays after a few hun­dred years — rather than after hun­dreds of thou­sands; it is very dif­fi­cult to divert a thorium reactor to mil­it­ary use, par­tic­u­larly because little or no plutonium is pro­duced in the fuel cycle.

Additionally the world has a lot of thorium — it is as abund­ant as lead — and it is found widely in polit­ic­ally friendly coun­tries.  Indeed there is suf­fi­cient thorium to provide our energy needs for tens of thou­sands of years. Moreover thorium fuel rods would last for years, rather than months in a reactor, so there is less refuel­ling than with uranium. Equally import­antly, legacy radio­act­ive waste from exist­ing react­ors can be mixed with thorium and burnt as fuel, thereby turn­ing a liab­il­ity into an asset.

This is not just spec­u­la­tion. Thorium react­ors have run in the past for many years. China and India are increas­ing fund­ing for Thorium power. It’s a fast moving field and there is an oppor­tun­ity for the UK to tap into its expert­ise by invest­ing in the research neces­sary to pos­i­tion UK industry to build the new power sta­tions.

This talk intro­duced some of the ways that thorium could be deployed: as a fuel in con­ven­tional react­ors; through molten salt reactor tech­no­logy; and as fuel in an accel­er­ator driven sub­crit­ical reactor (ADSR) or Energy Amplifier in which the neut­rons neces­sary to drive the fer­tile to fis­sion con­ver­sion of thorium, and the fis­sion pro­cess itself are provided by spal­la­tion.

The ADSR is of par­tic­u­lar interest at the University of Huddersfield, where we are devel­op­ing new and advanced accel­er­ator tech­no­logy not only cap­able of driv­ing an ADSR but also provid­ing com­pact accel­er­at­ors for proton cancer ther­apy and med­ical radioiso­tope deliv­ery.

Having listened to the talk the major­ity of our mem­bers saw the use of thorium as a ‘win win’ situ­ation and there were many enthu­si­astic ques­tions from the floor.

Prescriptions, Potions and Pills (Pharmacy and Me) — Stan Hirst. 14th October 2013.

Stan, who is one of our mem­bers, gave an enter­tain­ing insight into his career as a phar­macist, mixed with a little flavor of his private life, includ­ing his period as a national ser­vice­man. He hails from Blackpool but has been in God’s coun­try suf­fi­ciently long to be accep­ted by the locals.

 With his father’s words  ringing in his ears, telling him that he would never get any­where in this world without qual­i­fic­a­tions, he set out to become a qual­i­fied phar­macist. He star­ted his career work­ing at Timothy Whites, in Cleveleys, Blackpool and atten­ded the Harris Institute in Preston (which became a uni­ver­sity): he also atten­ded full time courses in Leeds.

 Stan’s national ser­vice took him to Malaysia, and  because he was a phar­macist he was made a ser­geant, whilst med­ical doc­tors were auto­mat­ic­ally made officers. Dispensing pills and potions in jungle hos­pit­als was quite chal­len­ging but after his train­ing in  Blackpool, Stan took it in his stride. He became a  man­ager  in Blackpool but always wanted to own his own phar­macy and when an oppor­tun­ity came up in Swinton, near Mexborough, Yorkshire, he and his wife Enid, took it.

stans shop 1 Stan and  Enid, ran a very suc­cess­ful first shop, and were able, in time to buy the shop next door, fol­lowed later by the shop on the other side.  This was now a large, very suc­cess­ful busi­ness, employ­ing many staff using modern mar­ket­ing tech­niques to attract the cus­tom­ers.stans shop2

 Stan explained the dif­fer­ences in phar­macy in his early days com­pared with today: making pills and mixing potions are a thing of the past. Drugs were kept on the premises but occa­sion­ally he would be called out in the early hours of the morn­ing to lock up after burg­lars. Later in life Stan sold up and worked in a phar­macy in Sheffield, shar­ing the mana­gerial duties. Towards the end of his career he took semi-retirement and acted as a locum.

 It was a most inter­est­ing and enter­tain­ing talk by one of our own mem­bers.


The Sheffield Gang Wars by J.P.Bean — 7th October 2013.

Slashings, wound­ings, beat­ings, stabbings and murder,   All in a day’s work.   No not the mean streets of Chicago or London’s East End, but here in Sheffield in the early 1920s. Julian Bean gave Stumprlowe Probus a fas­cin­at­ing insight into the infam­ous activ­it­ies of two rival gangs fight­ing for suprem­acy: of the luc­rat­ive illegal rack­ets which mush­roomed in the murky streets of Sheffield.  One man was murdered, 2 broth­ers were hanged, and many others gaoled before the gangs were finally smashed after 5 years of knif­ings, shoot­ings and razor slash­ings.

The Mooney gang led by broth­ers George and John, were first men­tioned around 1913 when they moved into the world of pro­tec­tion, pick pock­et­ing, card sharp­ing and bet­ting scams. The Mooney Gang  estab­lished its powerbase when it took over the ‘ pitch and toss ring’ that oper­ated at Sky Edge, an expanse of waste land high above the city, making it safe from the long arm of the law. Often there were sev­eral hun­dred men in the ring at the same time. Betting star­ted at 10.30am and con­tin­ued until dusk. Thousands of pounds changed hands. The ‘Mooneys’ flour­ished but by 1923 the profits fell and were no longer enough to sat­isfy the prin­cipal gang mem­bers, so the broth­ers got rid of most of the mem­bers. This caused a rival gang to the ‘Mooneys’ to emerge; the ‘Park Brigade’, who were determ­ined to fight for con­trol of Sky Edge. The ‘Mooneys’ were ousted but were out for revenge.   The gangs were now at war.

What were the police doing?  Well, it appears not a great deal. There were arrests and con­vic­tions but the courts gave light sen­tences and the Council effect­ively turned a blind eye to the brutal hap­pen­ings. Parliament became involved and the Home Office told the Sheffield Council that some­thing had to be done. On 1st May 1925 a group of four police­men was set up, offi­cially called ‘The Special Duties Squad’ but known as ‘The Flying Squad’, led by Detective Sergeant William Robinson, an ex-Coldstream Guardsman. All four men were extremely well built and took the fight to the gangs rather let­ting the gangs do their work and going in after­wards. There tac­tics were very con­tro­ver­sial and came under a lot of cri­ti­cism, but on the 1st May 1926, just one year later, Captain P.J. Sillitoe became Chief Constable of Sheffield and sup­por­ted his men to the hilt.

This account can only scratch the sur­face of a fas­cin­at­ing sub­ject. Visit the web­site of J.P.Bean at and read his book for the detail and blow by blow account of Sheffield in the 20’s. Also visit–3706103

The Knights Templar — Pat McCloughlin — 9th September.

cavaleiro-templario - CopyA very inter­est­ing talk by Pat McCloughlin on The Knights Templar or by their lesser known title ‘ The Poor Fellow- Soldiers of Christ and the Temple of Jerusalem

They reined from 1129–1312, start­ing off as heroic warrior-monks, like super­stars waging war against evil. Sadly at the end they were accused of heresy, magic and sav­agery and were imprisoned , tor­tured and burnt to death.

To under­stand the begin­nings of the Knights of Templar we need remind ourselves of the upheaval and wars that were hap­pen­ing in the Holy Lands around this time. The Byzantine and Roman empires around the middle east were under con­stant and severe threat from the rising power of Islam.  Egypt, Lebanon and much of Iberia ( Spain and Portugal), all Christian coun­tries. were conquered.  Further, Pilgrims and trav­el­lers to the  Holy sites were har­assed and often slaughtered.

This led to the start of the cru­sades to repel the thrusts of the Muslims into the Christian Byzantine Empire. The Pope asked the Princes of Europe to launch a Holy War into the Holy Lands. The first cru­sade was launched in 1095 but it took 4 haz­ard­ous years trav­el­ling across Europe on horse and foot. Not for the feint hearted.

In 1119 Hugues de Payens and 8 fellow knights estab­lished the order of the Knights Templar with the mis­sion to fight evil, pro­tect pil­grims and trav­el­lers and visit Holy places. 300 knights were bil­leted at the Kingdom of Jerusalem and Temple Mount.  There were a fur­ther 1000 ser­geants and a con­sid­er­able number of mer­cen­ar­ies. The Knights were of noble birth but appar­ently illit­er­ate but looked splen­did and fear­some in their armour, white garb and with shield red cross on white.  The ser­geants were edu­cated but wore black to dif­fer­en­ti­ate them from the Knights. The Templars lived in a state of total abstin­ence, ate in silence and were denied worldly com­forts.  It was not all bad.  In 1139 Pope Innocent 11 gave them the power to pass freely from coun­try to coun­try and pay no taxes. The Knights became trus­ted and reli­able bankers for every throne in Europe and were able to arrange safe and effi­cient move­ment of money .The Knights grew in num­bers and power through­out Western Europe. The order had numer­ous Preceptors  ( or HQ’s for the knights) across Europe, includ­ing 10 in Yorkshire!!.   They built their own churches with con­sec­rated graves with the most famous in the UK being the Temple Church in London with its cir­cu­lar knave.

All this power was amassed at a time when the Order was involved in fight­ing in the cru­sades to regain lost Christian lands.  Deeds of bravery, hero­ism and sac­ri­fice are legendary.  The Muslims may have been crit­ical of the Order’s med­ical prac­tices and they ridiculed their justice system but they respec­ted the mil­it­ary power of the Knights.

It could not last.  The public star­ted to  ques­tion whether men of the church should carry arms.  They cri­ti­cized their lack of account­ab­il­ity and focused more and more on their fail­ures. On Friday, 13th October 1307 all Templar broth­ers in France were imprisoned and accused of heresy and enga­ging in magic. Phillip IV with the Pope’s sup­port that all Templar s across Europe should be imprisoned.  King Edward 11 of England insisted they had com­mit­ted no crime and refused.  The Pope gave Edward the choice arrest or be excom­mu­nic­ated.  172 Templars were arres­ted in England, Scotland and Ireland, tor­tured and burnt to death   The Pope and Phillip 1V died shortly after­wards.  Strange coin­cid­ence or what!

Pat’s talk was fas­cin­at­ing on the Knights Templar whose memory lives on in legend and myth —  Da Vinci Code, Turin Shroud, Mary Magdalene and treas­ures found in Newfoundland !!

James Chesterman And Their Measuring Tools — Jim Nicholson

Jim Nicholson, a Cumbrian by birth, came to Sheffield to study Glass Technology, mar­ried and stayed.  The rest is his­tory and makes a very inter­est­ing story of his time at James Chesterman and his detailed know­ledge of the meas­ur­ing tools industry.

James Chesterman was born in 1792 and came to Sheffield in 1820 where he ini­tially worked for Dixons as a powder flask maker.  He was very invent­ive and during this early period, he formed the  James Chesterman com­pany with a busi­ness part­ner.  His inven­tions ranged across such diverse sub­jects as sup­ports for crinolines, cor­sets and hangers for top hats: no doubt vital in those bygone times. Patents were taken out for tape meas­ures, door springs and door bells .  The com­pany, which was based on Kelham island went from strength to strength but was severely dam­aged by the Sheffield flood of 1864. Rumor had it that James and his son took the remains of their busi­ness, in a hand cart to their new premises off Ecclesall road, but this was not so.

James ChestermanThe new com­pany premises, Bow Works on Pomona Street, adja­cent to Ecclesall Road was well under­way but the flood prob­ably hastened their exit from the Kelham Island area.  James died in 1867 and the busi­ness was taken over by his son William and a cousin: fur­ther suc­cess fol­lowed.  The busi­ness con­tin­ued to expand and build up a world-wide repu­ta­tion for meas­ur­ing tools and high pre­ci­sion equip­ment. In the 1990s the com­pany was bought out by Stanley Tools but they were not inter­ested in devel­op­ing the pre­ci­sion side .  James Chesterman and its suc­cessors cel­eb­rated over 200 hun­dred years of design and man­u­fac­tur­ing in Sheffield.

Jim Nicholson brought with him a ver­it­able treas­ure chest of meas­ur­ing instru­ments , includ­ing , micro­met­ers, ver­nier cal­lipers, height gauges, boiler plate gauges, steel tapes, steel rules, a blind man’s rule , dip tapes , feeler gauges wedge and wire gauges. Jim had col­lec­ted these over his career in engin­eer­ing and was still using many of them well into his retire­ment.

Jim’s enthu­si­asm was infec­tious and Stumperlowe respon­ded by having many ques­tions and showed great interest in the meas­ur­ing tools.

Sheffield Theatres (The Crucible & Lyceum). — Kathy Gillibrand — 22nd July 2013.

sheffield Theatres (1)

Kathy Gillibrand gave us a fas­cin­at­ing insight into the Sheffield theatres remind­ing us what gems we have on our door­step.  Their refur­bish­ment over the last decade has cer­tainly added to Sheffield’s regen­er­a­tion and appeal. The theatres offer over 800 per­form­ances per year and annual ticket sales exceed £360,000.  Besides excel­lent pro­duc­tions, we mustn’t forget the Crucible is the home of world snooker and venue for squash and bad­min­ton events. The accom­pa­ny­ing  pho­to­graph show­ing the Crucible and Lyceum theatres in Sheffield was taken by Adam Bright.

Kathy described the his­tory of The Crucible, its refur­bish­ment, and the range of facil­it­ies avail­able. No story would be com­plete without its ghosts, fires and mys­ter­ies.  Sheffield theatres have plenty. Funding and income comes from many sources with the box office account­ing for 64% in 2011/12, and pro­duc­tion costs account­ing 52% of out­go­ings. The theatres reach out to the local com­munity with work­shops for local schools, open events and fund rais­ing din­ners. Kathy described the stages a pro­duc­tion goes through, from concept right up to the open­ing night on stage. There is no doubt that the chop­ping and chan­ging that goes on behind the scenes, as the pro­duc­tion evolves, makes for very inter­est­ing times. Finally, she gave us a taster of pro­duc­tions to come.

You can always judge the suc­cess or oth­er­wise of the Monday morn­ing present­a­tion by the interest shown and number of ques­tions asked — Monday was a suc­cess!