Radiography and the 'X' rays in practice and theory : with constructional manipulatory details (1898)
Bottone, Selimo Romeo · London ; New York : Whittaker & Co. · leaf 163
GENERAL MANIPULATORY DETAILS 147 it may be taken as a general rule that, when the darkportions of the image show through the film, so as to bevisible by reflected light from the back (the glass orplain side) of the plate,* the photograph is Hiifhcientlydeveloped. If the exposure has been…
Electric radiation · X-rays · Radiography
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