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2008.033.842Photo

Supreme Tool & Machine Co.

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2008.033.828Photo

Micro-Grind Co.; Supreme Tool & Mach. Co.

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2008.033.841Photo

Supreme Tool & Mach. Co.

Blueprint

2013.049.430Archive

Sounding Machine

Print, Photographic

2008.033.827Photo

Micro Grind Co.

Brochure

2013.042.597Archive

The Master Craftsmanship of John Aschauer

Transparency, Lantern-slide

2013.040.200Photo

Brochure

2010.004.319Archive

Flynn's Improved Micrometer Boring Heads,
J. M. Waterston

Print, Photographic

2008.039.013Photo

Print, Photographic

2008.033.843Photo

Micro-Grind Co.

Print, Photographic

2008.033.819Photo

Micro-Grind Co.

Print, Photographic

2018.039.079Photo