INSTRUMENTATION 
Basic Principles
Basic Principles
Viewed: 1898 times.

Basic Principles 2
Basic Principles 2
Viewed: 1810 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: 1852 times.

Gooseneck Lamp
Gooseneck Lamp
Viewed: 1849 times.

The Electric Headlight
The Electric Headlight
Viewed: 1731 times.

The Electric Headlight 2
The Electric Headlight 2
Viewed: 1675 times.

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