INSTRUMENTATION 
Basic Principles
Basic Principles
Viewed: 1769 times.

Basic Principles 2
Basic Principles 2
Viewed: 1683 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: 1715 times.

Gooseneck Lamp
Gooseneck Lamp
Viewed: 1729 times.

The Electric Headlight
The Electric Headlight
Viewed: 1604 times.

The Electric Headlight 2
The Electric Headlight 2
Viewed: 1550 times.

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