An arrow:
Arrow:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjIwOod5rB_LIKj_M77uQO_sC1Ur6FORbO-Th8JGyUQLTCDnoXvmY3eeFfgd2N5heXoBvf_tZuZVbsJc12h3tu9ozKV9mWyB8dTP8uvxFIIlWdatgZVAqfKyEkfOV4IM27FZpR9hLq9DcA/s400/DSCN5992.jpg)
A "T":
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjKXyMIkTw445_0Fjoxfdle0QxEVa6gSfDkIaeYQ6gpOKGf8aqBBnsSJSCa1tezeGsN1WwcPmUAtHyLmJYn3fSL4WknxkNwi5ItWj3v3U3b9Wrg66spDMLag60vBbek020BKL-HRfn1VdE/s400/DSCN4592.jpg)
An "F":
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgu2M5EXVkr_ytRDShcNwSfD6IvbEXcokBTMGsL1wVG56KwDAagXRc6R9yJ2ELQe_6uu6x8LQcNDZHl0vYc8smwZ7kqnLDYL9p21maIxEKB5EruZmiL9hjfwXdOrwvqu-dddLAR1tY4tBU/s400/DSCN4587.jpg)
A "GF"?:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZ9ZVAB6g5G-yhr12FdKTgtMrhoQlf0BqRP_HsbEhOr4w2MpDsCAspoj38HKhLElcRtayX8BdZ8_hb8LJPQXDVsAITmVIdL5i78gfNFtRTucMcMBIWGUlKwgYRNB26ineLz4S9BuZPlbQ/s400/DSCN4585.jpg)
Another T:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiaJ5CYZvsdcszxCxnwsLlc0_bYrNT6BLaKYgl2DxVJrrE8lRcM-cfWABFBZNJKkDN1FYW5Eda_WU9c1VoiCqzkqHPP-O5Df9TIrVoJs56ZkLoYHRu-emQEChkVPIIJm3Hx0ekB6tRSTf0/s400/DSCN4586.jpg)
An "E":
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhKqvnzKICyCxQnUbSQobjQ34wzF3DzYaRlE0OaK0awbaLfLS-Bc38dEDXIUjzBeBrst0AICeRvNsKkBhhCMHcpIc2ZyW8zriepKHtPBVTEc_DW5qCcEP-jEpOEOVsiDay0twqvtNsIlFQ/s400/DSCN4588.jpg)
A triangle, this one in concrete:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhrCQMhkn8fFFUWX8A1b44cDiyG_B9JUtPp6YsR1ZM2YXo0SapQug1VoXAp3_RWJ5awXbdUWNErV2_VJ-nkT8UBwWnPxEbzTqGzwxi2dHpBoCvbXLxuNMJZ4ojOWLaq8TIyjfeWDLDonCQ/s400/DSCN4590.jpg)
An "A":
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjBiWNbdSw46JglqBZVUdJWrZ-8SGhrthqwXwFbRyp30nQnEmGF1g1rSGeb6FxV8NGHNruCC-bVUF5vNRG0mmrpBDvX3YnBahWSBWEFtRhc2Vtna6BpT9nqER3Rrg1QGK42hqibtoi3-EM/s400/DSCN4589.jpg)
Blobs or squares:
A 'D"?:
An E:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixTCBtgW_RTjyfbF6JfEyoB6cW0AUIu1OPiYqJCfMlv4qoRyhMKSK83QrNGm-8589AEWHkHohb4YM8_a-kiAa7kN_1XYEbvaBNMjWj90H0s-fS5NsbnWeJIoOmK_3UCLQEcx8qYS1lAVs/s400/DSCN4588.jpg)
box with lines down:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgCvdFNvOEV-Ry78csYsIcYLVpEmYbEeXZ-mNRUr8yDXjwoq-fVi6V8JZd8vdYyHD6jLc56zSvceCGUpAigjJhqXhIe6EXLInItUu_WVJ5k35_LV0hXsJEYjDUGoDeXH3ik_lefQJz1OHw/s400/DSCN4300.jpg)
Box with a dash:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgyZln55EDtzZ4OxLbtyQ1LsKrIiOdy907t-XbcjsKZqUbY2BxR2YAfC3i2kVMiVoTV7t7fobCYB8z9AUQBhaLHXbiUAQeWwwV9y8XzeMu8d2DJzUnXAaZlq-P320hJVxf1d8X3tI4fJow/s400/DSCN4299.jpg)
Dash in a box:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjpnv7i0hcGy3eXxzP2fmFyPtEXuKxtWYCOuNTBSBLKmJS1r9VFiMRxr4XmVAdKY1GEaVej2LU0WzkdxjCcWG-VvlRoFO7S-nhkVo52pavRd9bosnSM5HZ6EAW-gAVECCA3uUBAgEh-ef4/s400/DSCN4298.jpg)
A summary of the above shapes:
I think the left half are all water valve symbols. I would guess the E is electric and T for telephone?
5 comments:
Cool!
Good eyes! I've never noticed any such marks/symbols.
Reminds me of hobo markings, a coded language to identify locations and situations for those riding the rails.
Last night I noticed a couple dozen of these clustered around Elm and 9th.
Is this where you took the pictures.
^they are all over the city on old curbs.
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