Yeah, I think you've just about nailed it Sir....The I 2 Hydro magic & the J 3 Golden 500 are more or less the same Head in that they have the Opening Lever which is known as the Hydro Magic Function to rinse out the head....These two injectors are the Mildest of your collection and the most user friendly of the bunch....These are later models as you probably know and as you move through the Schick injector timeline they did tend to get milder....These a very friendly, very smooth & forgiving.......The NOS Personna & Schick blades should both work in these fine....
The PAL Adjustable is probably the most aggressive beast that you have here....These are different animals from Schick injectors....They are not as intuitive to use and they are a thinking mans razor for sure....I would suggest using this on the second setting to start with and see how you get on with it.....These shave differently from Schick's in that you need to put the head flat against the face and then lift the handle a bit to find the blade.....I have never felt the need to use mine past the three quarter setting....These a very aggressive injectors but very smooth and they will offer the closest Deepest BBS Result of your life Sir.....NOTE>>>I would strongly suggest that you use your Chinese Schick Blades in this injector as the NOS Peronnas are very harsh in them and that goes for current Pesonnas as well..

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The Type G 1 that you have is sort of middle of the road in terms of aggression .....These are the next step up in aggression from the I 2 & J3 ....They demand a wee bit more focus than the later ones, but they are quite forgiving and smooth shavers.....I would suggest using a Chinese Schick blade in to start with then try a Personna.....The Chinese ones are far more forgiving....That said.... both blades work really well for me in this particular injector....
The bottom one is a Canadian Type E....The Canadian E types do not seem have a recorded typology like the USA Made ones....For Example ...Type, E1, E 2, E 3, Etc...That said I happen to know that you have a Somewhat Rare Canadian Version of a Type E 2 .....This is an early type Canadian Type E that was probably made around 1937/1938....It can be identified by having an off centred spring and a smooth comb...This one does not open as it has a nub on either side of the spring....I don't have one of these but if it shaves anything like the USA Type E 2 it is it one of the most aggressive Types E s ever made.....The Type E 2 can ofer a nasty cut when provoked...NOTE>>>I would strongly suggest that you use your Chinese Schick blades in this one as here again the NOS Personnas are quite harsh in it as well as current ones.....
I would suggest using them in the order of aggression.....The I 2 & J 3 should shave the same and are the mildest and a good starting point....The Type G 1 would be the next logical step and then the Canadian Type E......The PAL Adjustable is a funny one as you can have it on a Mild setting....But I would probably leave until you have played with the G Type....
The Chinese Schick blades that you have at the top are the most user friendly blades you have there...They are very sharp but very forgiving.....The ones you have below them are Eversharp blades by the look of it and in my experience they offer a rough ride....To be blunt about it.....They are Junk....The NOS Personna blades you have at the bottom are very nice blades but less forgiving than the Chinese ones.....Just make sure that they are ok to use as they may have been out their package for a long time....Just give one a try...If its a Dud you will soon know...
These are my Own Experience's & Perceptions of Course ...
I Hope this helps Sir....
Billy
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