cryptoscope

cryp·to·scope

(krip'tō-skōp),
Obsolete term for a simple x-ray fluoroscope.
[G. kryptos, something hidden, + skopeō, to examine]
References in periodicals archive ?
Readers can be transported back in time and get a feel of what was like living in times gone by when they read news headlines, family notices, and quirky advertisements such as this one found in the North Wales Times in 1909: "Mr John Williams begs to inform the public of the Vale of Clwyd and North Wales generally that he has obtained the latest and most improved electrical apparatus and is prepared to cryptoscope or radiograph any part of the human body through the clothing.
Detection currently involves inspection of the bladder's interior by means of a cryptoscope, an invasive procedure that costs approximately $250.