Update: Conservation at the MMO

Jascin N. Leonardo Finger • July 18, 2022

Conservation of historic buildings is a slow process. Much of it comes from trying to match the original materials so that we can make sure the conservation work is done properly, that it matches in color, and that it works with what exists. For example, painting latex paint over a lime-based paint: not a good idea. It is not historically accurate but also that latex is not going to adhere to the lime wash properly and at some point, you will have a mess that you are re-doing the right way.


In the case of the Maria Mitchell Vestal Street Observatory, the grout (cement) is very coarse. It’s full of small pebbles and broken pieces of stone (see image). The main dome was built in 1908 and the addition to the right of it was completed in 1922. When I joke that it looks like they went to the beach to make the grout mixture, I am not entirely sure it is a joke!


In any case, this is not something – the lime or this particular grout – that you buy off the shelf. The mason has to make it – match the color, the texture/coarseness, the pebble-like material and colors in it, the mixture. Thus, the amazing island mason, Wayne Morris – who has been working on this project and also did our conservation work at the MMA Research Center – has spent countless hours collecting stones and digging through stones he has in his masonry yard. Once he has a good amount and ones that match what is on the MMO, he pulverizes them to match the size of the pieces found in the existing grout on the building. He actually created a special tool to do this. Because, that’s how he works.



So, now that he has a good supply, he has been focused on the back side of the building dealing with the cracks and places that the grout has spalled and fallen out. He is now attending to the front of the building, thus more staging. Once those areas are dealt with, he will replace the iron lintels above the windows. These have rusted because of water getting in. They will be replaced with steel that will not rust, expand, and then cause cracking. He will also be addressing the “parapets” – rebuilding them where needed – and attending to the copper and the flat room on top of the 1922 addition.


JNLF

 


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Celebrating Maria’s Discovery of a Comet – October 1, 1847

By Jascin N. Leonardo Finger • October 1, 2026
10mo 1, 1847. {October 1, 1847} This evening at half past ten Maria discovered a telescopic comet five degrees above Polaris. Persuaded that no nebulae could occupy that position unnoticed it scarcely needed the evidence of motion to give it the character of a comet. From the journals of William Mitchell, father of Maria. One hundred and seventy-nine years later! JNLF

Maria Mitchell In Her Own Words

By Jascin N. Leonardo Finger • September 21, 2026
Sept. 24, 1881. . . . Mr. I. {van Ingen} thinks that not a person on the Board of Trustees would approve of the clause in Mr. Vassar’s will which objected to women as occupants of chairs. Just months before, Maria Mitchell had written a letter describing the controversy surrounding the bequest of Matthew Vassar to the college he founded. The large sum was separated out within his will, including the establishment of department chairs. The bequest for this action, however, did not allow for women professors to have a chair. Quite shocking for a women’s college but then, there were early trustees in the College’s founding who believed that women professors should not exist at Vassar! Maria would be the first professor Vassar hired – male OR female. JNLF

Nantucket Maria Mitchell Association Announces Scalloping Field Trip Programs and Special Scalloping Experiences in October and November

September 18, 2026
NANTUCKET, MA— The Nantucket Maria Mitchell Association (MMA) is pleased to announce the launch of its 2026 Scalloping Field Trip Programs and Special Scalloping Experiences, set to begin October 1. These hands-on, educational experiences invite participants to explore the island’s coastal waters alongside MMA Aquarium staff while learning about the ecology and conservation of Nantucket’s iconic bay scallops. SCALLOPING FIELD TRIPS Join the MMA Aquarium Manager, Chelsea Petrik, and head into the water to collect scallops while learning about their biology, life cycle, and the challenges bay scallops face in today’s changing environment. Hand nets and adult waders will be provided. A shellfish permit is required to participate if attendees wish to take their catch home. Scalloping Field Trips meet at one of multiple locations along Nantucket Harbor to account for changing scallop availability. Registrants will be notified of the exact location via email before the day of the program. Personal transport to and from the meeting location is required to participate. Dates: October 1 ,3, 4, 7, 8, 14, 17, 18, 21, 23, 24, 28, and 31; November 1, 4, 6, 12, 14, 15, 18, 21, and 22. Cost per Participant: $50 Pre-registration is required for this event and closes two hours before the start time of the program. Scalloping Field Trip Registration Link: https://112458a.blackbaudhosting.com/112458a/Scalloping-Field-Trip-01Oct2026 Private group scalloping field trips are also available for groups of up to eight people on select dates. To inquire, please e-mail programs@mariamitchell.org. “THE GREAT SCALLOP HUNT” — A SPECIAL SCALLOPING EXPERIENCE In addition to the MMA’s regular Scalloping Field Trips, the MMA will offer “The Great Scallop Hunt, an Island Immersion” on Friday, October 2, and Saturday, October 3. These special, separately ticketed experiences invite participants aboard Captain Bruce Beebe’s boat for an insider scalloping expedition on Nantucket Sound. Guests will harvest, shuck, and savor fresh Nantucket Bay scallops alongside Captain Beebe, with a picnic lunch and beverages included. Only six spots are available for each of these exclusive opportunities to discover Nantucket with Bruce Beebe, exploring the island’s most cherished traditions and hidden corners. Pre-registration is required. Tickets are $500 per person, with $250 of the ticket price tax-deductible. These experiences are separate from the $50 Scalloping Field Trip Program described above. A shellfish permit is required for attendees who wish to take their catch home. The Great Scallop Hunt Registration Link: https://112458a.blackbaudhosting.com/112458a/The-Great-Scallop-Hunt For more information on obtaining an individual shellfish permit, visit the Town of Nantucket website: https://www.nantucket-ma.gov/404.aspx?aspxerrorpath=/2304/Shellfish-Permit . The Maria Mitchell Association was founded in 1902 to preserve the legacy of Nantucket native astronomer, naturalist, librarian, and educator, Maria Mitchell. After she discovered a comet in 1847, Mitchell’s international fame led to many achievements and awards, including an appointment as the first female professor of astronomy at Vassar College. Maria Mitchell believed in “learning by doing” and today that philosophy is reflected in the MMA’s mission statement, programs, research projects, and other activities. The Maria Mitchell Association operates two observatories, a natural science museum, an aquarium, a research center, and preserves the historic birthplace of Maria Mitchell. A wide variety of science and history-related programming is offered throughout the year for people of all ages. ###
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