Radiation history: Old picture

["Bjorn Cedervall" <bcradsafers@HOTMAIL.COM>]

Dear Radsafers,



I scanned a photocopy of a picture of X-rays in the "old days":

http://www.geocities.com/bjorn_cedervall/Radtopics/accid_hist.html



The book from which I photocopied this picture (in the seventies...) has 

probably been thrown away (the whole radiobiology library at the Univ. of 

Stockholm was scrapped a few years ago) - the corresponding dept. has 

another orientation today...



I wonder if anyone could point at the exact source (Brown 1936 - probably an 

indirect reference) - and perhaps even better - help me with a better 

picture - for the benefit of all interested Radsafers.



The practice of holding the hand between the X-ray tube and a fluorescent 

screen to see the bones probably caused a lot of early severe burns and 

tragedies (see the book by Grubbe from the mid 1940:ies if you can find it - 

horrible reading - he had 83 operations of his fingers, had no lips so he 

would speak in public because few people could understand him and so on). By 

that time (before say 1910) it took perhaps more than ten minutes to warm up 

such a tube...



Please comment or correct whatever if you can give more details for the 

context. Any other "old pix" are also of interest - I can always ask the 

publisher for a permission to post them and then again they could be 

available for interested Radsafers.



Bjorn Cedervall   bcradsafers@hotmail.com





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