![Untitled Abstract oil on canvas painting comprised of geometric forms that are brown, reddish-brown, grey, and beige.](https://images.ematm.org/wp-content/uploads/2023/07/ATM-1929-01-Untitled.webp)
Untitled, 1929
![Painting #1 Abstract oil on canvas painting comprised of organic and geometric forms, densely huddles together. The colors included in this piece are grey, white, and various browns/reddish-browns, and a a little blue. All the colors throughout the entire composition are heavy with a grey tone.](https://images.ematm.org/wp-content/uploads/2023/07/ATM-1929-02-Painting_1.webp)
Untitled (Painting #1), 1929
![Winter Abstract oil on canvas painting of an organic, white and grey shape blending into a background composed of various shades of brown. A thin, red, half-moon shape is on the bottom right, crossing over a dotted line that changes from brown, to blue, to pink](https://images.ematm.org/wp-content/uploads/2023/07/ATM-1930-03-InstitutionPhoto-Winter.webp)
Winter, 1930
![Spring Abstract oil on canvas painting comprised of organic shapes and loose lines/brushwork. The colors include large swathes of yellow, brown and grey. The line-like brushwork is black, red, and blue-grey.](https://images.ematm.org/wp-content/uploads/2023/07/ATM-1931-01-Spring.webp)
Spring, 1931
![Colorstructive Abstraction-white black, red, blue, yellow Abstract oil on canvas painting comprised of geometric forms, set among biomorphic shapes with undefined borders. The colors contained in this piece include black, white, yellow, red, blue, and varying browns.](https://images.ematm.org/wp-content/uploads/2023/07/ATM-1944-02-Colorstructive_Abstraction-white_-black_red_blue_yellow-GA.webp)
Colorstructive Abstraction (White, Black, Red, Blue, & Yellow), 1944
![Purple Meridian Abstract oil on canvas painting, comprised of black, blues, purples, and neutral-toned biomorphic forms, geometric forms, and black curved lines.](https://images.ematm.org/wp-content/uploads/2023/08/ATM-1945-04-Purple_Meridian.webp)
Purple Median, 1945
![Emergent Form Abstract oil on canvas painting, comprised of biomorphic form and a black, geometric line drawn between the foreground and background. The dominant colors are browns, yellows, oranges, grey, black, and white.](https://images.ematm.org/wp-content/uploads/2023/07/ATM-1945-02-Emergent_Form.webp)
Emergent Form, 1945
![Latitude of Identical Shapes Abstract oil on canvas composition comprised of red, white, black, blue, and brown geometric shapes; small circles of these colors are punctuated throughout the composition.](https://images.ematm.org/wp-content/uploads/2023/07/ATM-1945-01-InstitutionalPhoto-Latitude_of_Identical_Shapes.webp)
Latitude of Identical Shapes, 1945
![Bearings Charted with Yellow Abstract oil on canvas painting of intersecting, thin, vertical rectangles and round, organic forms. The background is a bright yellow, and the intersecting forms and predominantly shades of grey, white, black, brown, and various shades of beige.](https://images.ematm.org/wp-content/uploads/2023/07/ATM-1946-02-Bearings_Charted_with_Yellow-copy.webp)
Bearings Charted with Yellow, 1946
![Bearings in Transition Abstract oil on canvas painting, comprised of thin, vertical, stripes that are varying shades of grey. These shapes are layered over organic forms composed of light blue, orange, greys and brown, punctuated with red geometric forms.](https://images.ematm.org/wp-content/uploads/2023/07/ATM-1947-03-Bearings_in_Transition.webp)
Bearings in Transition, 1946
![L’Hasard Abstract oil on canvas painting, densely constructed with many small rectangles. The colors range from dark burgundy, black, browns, greys, and white, to bright oranges and yellows.](https://images.ematm.org/wp-content/uploads/2023/07/ATM-1949-03-LHasard.webp)
L’Hasard, 1948-1949
![Alice Trumbull Mason, “Staff, Distaff, and Rod,” 1952, Oil on canvas painting of geometric forms layered over a black background; four parallelograms of varying orange shades are in the foreground, with vertical and horizontal brown and beige rectangles of varying thickness behind them.](https://images.ematm.org/wp-content/uploads/2022/03/ATM-1952-01-Staff_Distaff_and_Rod.webp)
Staff, Distaff, and Rod, 1952
![Alice Trumbull Mason, “Mobile Tensions” Abstract oil painting comprised of a pink, orange, orange-red, black, and brown triangles and parallelograms. The background of these shapes is grey-beige, with three orange vertical stripes spaced widely apart.](https://images.ematm.org/wp-content/uploads/2023/09/ATM-1954-01-Mobile_Tensions.webp)
Mobile Tensions, 1954
![The Barberry Hedge Abstract oil on canvas painting, comprised of yellow, white, grey, green, and brown triangles and squares, as well as thin black and red rectangles, These forms are blocked together and create a grid-like composition.](https://images.ematm.org/wp-content/uploads/2023/08/ATM-1955-01-The_Barberry_Hedge-SheldonMuseumofArt.webp)
The Barberry Hedge, 1954-1955
![Pale Column Abstract oil on canvas painting, comprised of layered squares and rectangles that are light, muted tones of grey, beige, yellow, and white.](https://images.ematm.org/wp-content/uploads/2023/08/ATM-1956-03-Pale_Column-Whitney.webp)
Pale Column, 1956
![Suspension Points Abstract oil on canvas painting, comprised of thin, slanted rectangles on a light white/cream background. The colors of the rectangles are bright variations of reds, oranges, greys, pinks, black, and white.](https://images.ematm.org/wp-content/uploads/2023/08/ATM-1959-11-Suspension_Points-Whitney.webp)
Suspension Points (Surface Winds), 1959
![First Magnitude Abstract oil on canvas painting; the background is three horizontal thick stripes of grey, beige, and black. In the foreground is a form made of three white triangles, which make a "T" shape, as well as two thin lines which intersect to make a smaller "t" shape on the right.](https://images.ematm.org/wp-content/uploads/2023/08/ATM-1960-10-First_Magnitude-MFA-74_10_01.webp)
The First Magnitude, 1959-1960
![Magnitude of Memory Oil on canvas painting of vertical light blues, yellows, oranges, browns, white and black bars, made of varying thicknesses.](https://images.ematm.org/wp-content/uploads/2023/08/ATM-1962-01-Magnitude_of_Memory.webp)
Magnitude of Memory, 1962
![Dark Pressure Oil on canvas painting of slightly skewed vertical bars made of varying orange and yellow tones. The bars are on top of a background that is split into 5 colors from left to right — yellow, black, white, black, and grey.](https://images.ematm.org/wp-content/uploads/2023/08/ATM-1963-05-Dark_Pressure.webp)
Dark Pressure, 1963
![The Saffron Pitch Abstract oil on canvas painting, comprised of yellow, orange, and grey/blue grey vertical stripes, with thin black lines between them. One thin white lines appears between the blocks of color near the center of the composition.](https://images.ematm.org/wp-content/uploads/2023/08/ATM-1963-08-The_Saffron_Pitch.webp)
The Saffron Pitch, 1963
![Bearings Abstract oil on canvas painting, comprised of thick vertical bands of light blue, light grey, beige, and a yellow triangle. Throughout the composition, there are thin black diagonal lines, as well as three diamond shapes (grey, pink, and a muted green).](https://images.ematm.org/wp-content/uploads/2023/08/ATM-1965-01-Bearings.webp)
Bearings, 1965
![Paradox #7 Oil on canvas painting of vertical and horizontal black, yellows and brown rectangles of varying thicknesses; a thick black line runs down the middle, separating the muted purple background on the left with the white background on the right.](https://images.ematm.org/wp-content/uploads/2023/08/ATM-1978-85-Paradox-7-CP2.webp)
Paradox #7, Low Key Spectroscope, 1969