Printed specification

Printed specification of Robertson's patent.

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Object details

ID:	NAV0464.14
Type:	Printed specification
Materials:	Paper
Display location:	Not on display
Credit:	National Maritime Museum, Greenwich, London
Measurements:	Overall: 282 mm x 197 mm
Parts:	Magnetic deviation detector Magnetic deviation detector index arm (NAV0464.1) Magnetic deviation detector index arm (NAV0464.2) Magnetic deviation detector index arm (NAV0464.3) Magnetic deviation detector filter (NAV0464.4) Magnetic deviation detector filter (NAV0464.5) Magnetic deviation detector shadow pin part (NAV0464.6) Magnetic deviation detector shadow pin part (NAV0464.7) Magnetic deviation detector disc (NAV0464.8) Magnetic deviation detector patent (NAV0464.9) Seal lid (NAV0464.10) Base lid (NAV0464.11) Duplicate specification for the magnetic deviation detector (NAV0464.12) Duplicate specification drawing for the magnetic deviation detector (NAV0464.13) Printed specification (NAV0464.14) Magnetic deviation detector trade card (NAV0464.15) Magnetic deviation detector trade card (NAV0464.16) Printed testimonial (NAV0464.17) Instructions (NAV0464.18) Letter (NAV0464.19) Letter (NAV0464.20) Extracts from the English encyclopedia of Arts and Sciences on the Deviation detector (NAV0464.21) Box (NAV0464.22) Packaging (NAV0464.23)