but, being an old military guy, preventative maintenance is the best policy. I would periodically look for mortar decay and remove that and apply new, use the latex concrete patch stuff.
Also, the biggest problem will be settling of the earth and cause the foundation to either heave or fall. But 1910, this seems pretty unlikely.
Make sure that the water sheds away from the foundation as NOT to pool next to the foundation and cause a fall effect.
Have gutters downspouts with those cement footing to spread out the water. Do not have gardens or flower beds close to the foundation and watch any big tree roots that encroach that area.
I would just do a visual inspection periodically and watch for any changes.
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