Basics |
| Plate Size |
Plate Scale |
Telescope |
Focal Length |
| 8x10 |
391"/mm |
3-inch Ross Fecker |
21 inches |
|
Observatory |
| Plate nos. | Location | Dates |
|---|
| 1-1776 | Taunton and WInchester, Massachusetts | ? - 1914-05-22 |
| 2388-2722 | Cambridge, Massachusetts | 1929-07-11 - 1932-03-14 |
|
Filed |
| Plate Size | Location | Numbers |
|---|
| early 8x10, 4x5 | first floor, misc. cabinet | 2388-2722 |
|---|
| 8x10 | first floor, Patrol Series 1 | 2388-2722 |
|---|
|
Record Books:
|
MB were given the same plate number as the corresponding MA plate; see MA records
(2) 1-3222
Online:
[01]
[02]
|
Record Sheets:
|
See early MA record sheets.
|
Comments: |
MB was used to denote plates taken with wide-angle riders on the 12-in M
A:
| Numbers | Lens | Scale |
| 0001-0327 | 4-in Cooke lens | Scale: 191"/mm |
| 0328-1776 | 6-in | 354"/mm |
| 2388-2722 | 3-in Ross Lundin | 390"/mm |
N.B.: Beginning 1934, Jan 29, the 3-in Ross Lundin was used for the BM series.
|
