Mystery Metal

Mystery

I got an informed opinion the other day- but thought I’d throw this out to the knowledgeable SF Metblogs readers.

5 Comments so far

  1. Justin Watt (unregistered) on June 5th, 2007 @ 12:35 pm

    Old skool seismic reinforcement?


  2. sugam (unregistered) on June 5th, 2007 @ 5:59 pm

    Place to tie your horse?


  3. dln (unregistered) on June 5th, 2007 @ 8:53 pm

    It’s most likely a “wall washer”, a kind of bolt used to keep brick walls on lower levels from bulging and sagging. Usually they’re star shaped and quite common on 19th century buildings.


  4. TinMan (unregistered) on June 5th, 2007 @ 9:06 pm

    It’s an architectural nose piercing.


  5. cd (unregistered) on June 6th, 2007 @ 12:14 pm

    yup – i second (3d? 4th?) the reinforcement answer. it serves both an anti-bulge and seismic purpose.

    and from your flickr stream, seems this is in a retaining wall? in north beach? it is there to keep the bricks from falling down. it may also appear older than it is because of the salt in the air.



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