Skip to main content
  • Utility Menu
  • Search
Harvard Logo
HARVARD.EDU

Collections Menu
  • Waywiser
  • People
  • Bibliography
  • Exhibitions
  • Thesaurus
  • My Object Lists
  • About
  • Sign in
Advanced Search
  • Home
  • Objects
  • 7.25-inch concave speculum mirror
  • Images (3)

7.25-inch concave speculum mirror

  • Images (3)

7.25-inch concave speculum mirror

Date: 1800-1850
Inventory Number: 2007-1-0282
Classification: Mirror
Subject:
optics, astronomy,
Maker: English
Cultural Region:
England,
Dimensions:
2.2 × 18.5 × 18.5 cm (7/8 × 7 5/16 × 7 5/16 in.)
Material:
speculum metal,
Description:
Speculum metal mirror. Rough cast back. Red polishing powder still on rim. Focal length is about 85 inches.
Signedunsigned
Curatorial RemarksThis mirror was made by the same maker as 2007-1-0281.

Tag says that focal length is 309 cm.

Choose Collection

Create new collection

facebook iconTwitter Logo

_______________________________
Join Our Mailing List I Contact
_______________________________
The Collection of Historical Scientific Instruments
Science Center, Room 371 • 1 Oxford Street
Cambridge, MA 02138 •chsi@fas.harvard.edu
p. 617-495-2779 •
f. 617-496-5794
_______________________________
The CHSI is one of the

HMSC Logo

Exhibition Hours

The Putnam Gallery
(Science Center 136):
Monday through Friday, 11a.m. to 4p.m.


The Special Exhibitions Gallery
(Science Center 251):
Monday through Friday, 9a.m. to 5p.m.


The Foyer Gallery
Closed for Installation.

All galleries are closed on University Holidays.

Admission is free of charge.
Children must be escorted by an adult.

Admin Login
OpenScholar
Copyright © 2017 The President and Fellows of Harvard College | Privacy | Accessibility | Report Copyright Infringement

Choose Collection

Create new collection