Shelfmark

Dnt.2

Maker

Dent & Co

Subjects

Optical devices; clocks; timekeeping devices

Title

Directions for Making Observations with The Dipleidoscope; and Requisite Tables for the Year 1862.

Description

Directions for making observations with the dipleidoscope manufactured by Dent & Co of London. Includes tables for the equation of time for 1862 and tables of longitudes reduced to time.

Earliest Date

1862

Latest Date

1862

Pages

20

Address

61 Strand and 34 & 35 Royal Exchange, London.

Other Makers

Cat no

Contents List

Hardback

Prices

Index

Illustrations

Yes

General Ref