Tektronix R7613 100 MHz Variable Persistence Storage Oscilloscope

Tektronix Catalog Cost	Low Bid	High Bid	average
$2600 (1973-new) $3150 (1977) $5110 (1982) $6110 (1985)	.	.	.
no bids (asked $44) 3/23/05 #7501353378 rocketd (no plug-ins - powers on) $11.50 (+~$44 ship) 7/10/07 #230148782297 tremblaj (2 bids $11 start) (powers up w/ dot on screen)

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Option 01 = Without CRT Readout
Option 03 = Emi Modification
Option 05 = Line Freq Change (50-400Hz)
Option 06 = Special Int Graticule (Spectrum Analyzer)
Option 07 = Without Sig Out/In