Title(s)

Gezicht op het mechanisme van de tijdbal van Boston, Massachusetts
Boston Time-Ball (title on object)

Object type

• photomechanical print
• page

Object number

RP-F-2010-128-2

Inscriptions / marks

• number: ‘Plate No 3.’

Artist

• anonymous
• Heliotype Printing Company (mentioned on object)

Place

Boston

Dating

c. 1876 - in or before 1881

Material

• paper

Technique

collotype

Measurements

height 145 mm × width 234 mm

What

• (instruments for) measurement of time
• mechanics

Where

• Boston

Credit line

• Gift of S.F. Joseph, Brussels

Acquisition

gift 2010

Copyright

Public domain

Is part of

• Information relative to the construction and maintenance of time-balls / prepared under the dir. of W.B. Hazen (RP-F-2010-128)