Hour meter - format 48 x 48 - AC or DC auxiliary power supply
                    
                    Hour meter - format 55 x 55 - AC or DC auxiliary power supply
                    
                    Hour meter - format 72 x 72 - AC or DC auxiliary power supply
                    
                    DC voltmeter - Format 48 x 48 - Connection to shunt
                    
                    DC voltmeter - Format 72 x 72 - Connection to shunt
                    
                    DC voltmeter - Format 96 x 96 - Connection to shunt
                    
                    DC ammeter - Format 96 x 96 - Configuration as required
                    
                    DC ammeter - Format 96 x 96 - Configuration as required
                    
                    AC ammeter - Format 72 x 72 - Connection to shunt
                    
                    DC -ammeter - Format 96 x 96 - Connection to shunt
                    
                    Frequency meter - Configuration as required
                    
                    Double vibrating-reed frequency meter - Format 96 x 96
                    
                    AC differential voltmeter - Format 96 x 96 - With additional casing
                    
                    AC differential voltmeter - Format 96 x 96 - With additional unit