|Equipment Manufacturer||RH Burton|
|Instrument Type||Eye Chart Projector|
A unit of electrical power. It indicates the rate at which the lamp consumes energy.
The base mechanically holds the lamp in place. It directly or indirectly conducts electricity from the circuit to the lamp.
|2-pin Prefocus (PG22)|
A measure of the quantity of light emitted by a lamp.
|Average Life (hrs)||50 hours|
|Maximum Overall Length (in)||1.56 in|
The CP40 Auto Projector bulb is used in the Burton Model Chart Projector CP40.
The R.H. Burton Company was founded in 1947 in Grove City, Ohio. The company manufactured and provided ophthalmic equipment such as keratometers, chart projectors, lensmeters, tonometers and more.
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