[Milsurplus] need hep on 5 items

[Hue Miller]

> 4.  "portabale (sic) test oscillator", order no. 9245-WF-43, this
> 10x7x7 black-crinkle aluminum box has two Dzus-fastened covers: one over
> the battery compartment, for a 6.3v and two 45 volts; the opposite side,
> over two acorn tubes and a 2x8.5" tuned cavity. The 955's specified on the
> schematic glued inside the door have been subbed with direct-cathode
> 1.25-volt 958's

Is this the test oscillator for the ARR-1 / ARR-2 type navigation
receivers? Just kind of a large cigar box with an off/on switch?
Hue