Title There's more in a switch than meets the eye

Published [Melbourne?] Ring-Grip Limited, [193-?]

Copies

Location	Call no.	Vol.	Availability
ADPML SPPAM	621.31924 Rin/Tmi		LIB USE ONLY

Description 1 sheet : illustrations ; 14 x 41 cm folded to 14 x 11 cm regular print Notes Caption title Subject Electric power distribution. Electric switchgear. Electric wiring. Author Ring-Grip Limited, issuing body

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