Hi and welcome to the forum - the area of interior timber restoration is quite specialised and can be fraught with disaster. From the pictures, your home looks like a Late Edwardian/Early Cal. Bungalow - seeing the exterior would tell me the precise date and region.
Anyway, you clearly wish to return your trims to the highest level of finish, which I applaud - importantly, your trim will have had years of various finishes applied to it and it is vital to establish what needs to be done.
Here is how the process works (according to me anyway)
1. Identify the timber
2. Identify the finish
3. Select the correct product/s to remove the oxidised/inappropriate finish
4. Neutralise the chemicals in the products used
5. Wait long enough for the material to dry and re acclimatise to the home
6. Refinish and fall back in love with your home
It seems a very lengthy process but it's worth it and doesn't really take that long.
The range of products on the market today, is staggering. the people who are expert in these tasks are few. The best person to do it is you, IF you have the time and energy/commitment.
there are many mechanical devices that can help make it a lot easier and even though they may cost a few bucks, at the end of it all, you still have them to use on other projects.
You may have picked up that I love period homes... I have advised on, or performed a few hundred restorations and would be pleased to assist if you need some guidance
Best of luck with it and don't forget to let other members know how you get on - it really helps. Once you become expert (and before!) you can help others to "get the details right"
BTW it helps to list your suburb and age details in the sidebar as it helps members know better how to help, especially when deciding whether to speak in metric or inches, or send you to Wangaratta or Williamstown for stuff
Above all, have fun!
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