The 32 was designed as an RF amplifier in battery operated receivers.
The Sylvania name on the base and the Type designation in a circle on the envelope. Made in USA appears on the heat set ink on the glass and also printed in green on the base cap.
The lower screen hides almost all details of the build.
The top mica showing the grid supports and the tension spring for the inverted.
The balloon envelope is 44 mm in diameter and, excluding the UX4 base pins, is 107 mm tall.
References: Data-sheet & 1043. Type 32 was first introduced in 1936. See also1936 adverts.
