Firth Hardometer by Thos Firth & John Brown Ltd of Sheffield. Although classed by the makers as a catalogue, the publication givesfull details of the machine's design, its dimensions, principles of operation,
Model: Hardometer
This page displays all the content on the website associated with the 'Hardometer' model. Numeric models include all prefixes, such as 'Number', 'Mark', 'Size' etc.
Manuals for Model: Hardometer
Print code: P-1981
