Title
A.l.s. to W H Preece from A Marson
Reference
UK0108 NAEST 020/031
Date
1872-11-23
Scope and Content
A.l.s. to W H Preece from A Marson, referring to a "rough sketch" of the resistance coils used with the duplex apparatus (see item 030). Explains diagram, including description of the two pointers on the coil. Refers to [David] Lumsden, who wanted to inform Preece of the present arrangements.
Physical description
Number of pieces: 1, Pages/folios: 1
Language
English.
Persons keyword
Subject
Conditions governing access
Open
Level of description
file
