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William Pitcher Farmstead HSR

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CHROMOCHRONOLOGY<br />

Reactions: Vin= vinegar, Alc= denatured alcohol, Am= ammonia, H20= water, SPS= solvent paint striper, Pb= lead/Na<br />

Layer Types: D= dirt, F= finish, G= glaze, L= latex, O= Oil-based, P= primer, S= shellac, V= varnish<br />

LAYER COLOR MUNSELL # COMM.COLOR REACTIONS NOTES<br />

TOP white rhodizonate and LT/<br />

Alc.<br />

2 white (cream) no match 2025-70 gets flaky/powdery<br />

with ALC<br />

3 white (butter) gets flaky/powdery<br />

with ALC<br />

4 white gets flaky/powdery<br />

with ALC<br />

5 white gets flaky/powdery<br />

with ALC<br />

6 white (pink) gets flaky/powdery<br />

with ALC<br />

7 white gets flaky/powdery<br />

with ALC<br />

8 white (butter) gets flaky/powdery<br />

with ALC<br />

9 blue/green 5BG 6/2 2050-40/HC-136 no reaction with any<br />

of the above<br />

substrate<br />

white pine<br />

opaque<br />

opaque<br />

translucent<br />

translucent<br />

opaque<br />

translucent<br />

translucent<br />

translucent<br />

blue black flecks<br />

and crystals<br />

4x plus camera<br />

10x first<br />

4x with commercial<br />

Observations: While the top two layers are clearly modern (20th century) paints containing lead,<br />

the rest of the finishes except the first (blue) layer had little to no reaction with ammonia, mineral<br />

spirits, or denatured alcohol. I think that this, along with the translucent appearance of the middle<br />

layers, means that those finishes are likely linseed oil based. The bottom layer, which is a matte,<br />

grainy, robin’s egg blue, has blue-black flecks. It also appears to have clear or white crystals in it. It<br />

does not react with any of the above listed solvents, or with water or vinegar.

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