INSTRUMENTATION 
Basic Principles
Basic Principles
Viewed: 1962 times.

Basic Principles 2
Basic Principles 2
Viewed: 1879 times.

Perforated head mirror with webbing forehead band 

(Downs Bros, Church Path, Mitcham, Surrey CR4 3VE, UK).
Perforated head mirror with webbing forehead band

(Downs Bros, Church Path, Mitcham, Surrey CR4 3VE, UK).
Viewed: 1921 times.

Gooseneck Lamp
Gooseneck Lamp
Viewed: 1914 times.

The Electric Headlight
The Electric Headlight
Viewed: 1798 times.

The Electric Headlight 2
The Electric Headlight 2
Viewed: 1743 times.

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