Model 370, No 2712 with accuracy certificate.
Housed in wooden case with hinged lid. Carry handle on right-hand side of case. Silver coloured catch near handle.
Instructions/notes are attached to inside of lid. Face of instrument is black in colour with a curved glass window which allows reading of guage.
Maker: Weston or Western Elec. Inst. Co. Newark, N.J., USA.
