In most cases the following recommendations of Mazda lamp sizes will be found most satisfactory in the home. Frosted lamps are recommended wherever the direct rays of the lamp may strike the eye, as the frosting diffuses the light.

Parlor

1-Bracket chandelier 1—60 watt

2-Bracket chandelier 2—40 watt

3-Bracket chandelier 3—25 watt

Side wall fixtures for decorative purposes—10 watt, all frosted.

Side wall fixtures for good general illumination—25 or 40 watt, all frosted.

Hall

Small hall 1—10 watt

Large hall 1—25 watt

Porch

Ceiling light 1—10 watt

Side bracket 1—25 watt

If used for reading light 1—60 watt

Bedroom

Ceiling light 1—40 watt

Side bracket 1—40 watt
or 2—25 watt

Sitting-room

Same as parlor. A well shaded reading lamp with a 40 or 60 watt all-frosted bulb.

Dining-room

Dome 1—60 watt bowl frosted

2 or 3 light shower 25 watt bowl frosted

Semi-indirect 1—60 or 100 watt clear

Bathroom

Ceiling or side brackets 25 watt

Kitchen

Ceiling light 1—40 or 60 watt bowl frosted

Side bracket over sink 1—25 watt bowl frosted

Attic

25 watt

Cellar

In installing lamps for the cellar the time they are lighted should be borne in mind. As this is short, the expense of running larger lamps—25 watt and 40 watt—is insignificant. The following locations should be provided for:

Bottom of cellar stairs 25 watt

Work bench 40 watt

Laundry 40 watt

Vegetable and fruit cellar 25 watt

Lamp in front of furnace 60 watt

This latter lamp is usually close enough to also illuminate the coal bin.

Care of Lamps and Fixtures

Lamps and fixtures should he cleaned once a month to insure the maximum efficiency. Reliable tests have shown that dirty glassware reduces effective illumination from 10 to 50 per cent.