I need instructions for 10in. microwave browner

Suppose that you wanted to cook 4 hamburgers.

With the Corningware Browning Dish, you would heat the dish EMPTY for about 4-5 minutes on high inside the microwave oven. Usually it is best to leave the hot dish inside the oven, and to place your hamburgers inside the dish. The microwaves would heat and cook from the interior-outward of the hamburgers while the browning dish would heat and "brown" from the outside-inward of the hamburgers for the regular usual appearance. About half-way through the cooking process (30 seconds to 2 minutes) you would turn the hamburgers over for the "other side".

The coating on the bottom of the browning dish gets very hot - use pot-holders or oven mitts - so be very careful to place the dish on a heat-proof surface (note NOT your smooth-top range!).

The basic idea with a browning dish is that the dish is heated first without food. Food is then placed in the dish to cook and brown inside the microwave oven. Add butter or margarine just before adding the food, if needed. Add the cover to reduce splattering if helpful for what you're cooking.

Although Corning Ware Browning Skillets and Grills are made of real Corning Ware, they cannot be used on the stove-top or in the oven. Microwave browning products have a grey rectangle of tin-oxide embedded in the base, which will be damaged if exposed to direct heat. The surface might develop bubbles or a burnt smoky appearance.

This website might be helpful:
https://www.microwavecookingforone.com/Charts/Browner.html

Hopefully, this information helps.

Only place I've found is here: CorningWare Browner Instructions

As these dishes were designed by Corning for a 650 watt over, you can recalculate preheat and cooking times for your oven with the following formula:

650/(your oven's wattage) x (listed preheat time or cook time)

For example, for a Corning MW-9 dish, they list 4 minutes maximum preheat time. I have a 1,580 watt oven. So 650/1580 = .41 x 4 minutes = 1.64 minutes and about a minute and a half preheat. (MAX).