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Also known as Populus tremula. A medium-sized tree growing up to 10-25 meters tall.

Aspen

Also known as Populus tremula. A medium-sized tree growing up to 10-25 meters tall.

"A medium-capacity, double-pole circuit breaker (250 volts, 200 amp. General Electric Company, type C, form G)." —Croft 1920

Circuit Breaker

"A medium-capacity, double-pole circuit breaker (250 volts, 200 amp. General Electric Company, type…

Labeled shapes showing various measures of form.

Measures of Form

Labeled shapes showing various measures of form.