Casella Thermo-Hygrograph

Description General

This decor light has been remanufactured from reclaimed and/or salvaged materials thereby diverting them from landfill and would look great in your home, shop, office, cafe or restaurant. In some cases the light comes with a social history so it is a conversation piece as well as a unique work of art.

Screen Shot 2018-07-05 at 15.09.43

Description Specific

Casella Thermohygrograph (Circa 1970’s)

A Thermo-Hygrograph is used to record actual air temperature and relative humidity against the optimum on a continuous basis where these factors are important i.e. Museums, Galleries, Libraries.

Casella was first established during the year 1799 in London, England, as a manufacturer of scientific apparatus. The company is still trading today and prides itself on providing precision instrumentation to eminent figures including David Livingstone and Charles Darwin with instrumentation for their exploration and scientific work.

Screen Shot 2018-07-05 at 15.09.54

Louis Pasquale Casella (1812–1897) was a maker of scientific instruments, was born on 29 February 1812 in Edinburgh. Around 1835 he moved to London, where he was employed by an instrument maker, Caesar Tagliabue, who had established his business in 1799. In 1838, Casella married Tagliabue’s daughter and became a partner in the business.

Screen Shot 2018-07-05 at 15.10.05

On Tagliabue’s death in 1844, Casella took charge of the firm. In 1848 the firm name was changed from Tagliabue and Casella to L. P. Casella & Co. In 1860, L. P. Casella & Co. was succeeded by the firm known simply as Louis P. Casella. L. P. Casella & Co. became instrument makers to the Admiralty and the Government of North America in 1856 and to the East India Company and the Board of Trade in 1860. 

Screen Shot 2018-07-05 at 15.10.16

The lamp part of the creation is Small Edison Screw light fitting with an IKEA NITTIO LED bulb E14 20 lumen which consumes up to 85% less energy and last 20 times longer than incandescent bulbs creating a soft, cosy mood light in any room.

Screen Shot 2018-07-05 at 15.10.25

Technical Details

Depth:                                 9.5” (24mm)
Width:                                 9.5” (24mm)
Height (max):                    18” (46mm)
Height (min):                     N/A
Packaged size:                   10” x 10” x 20” (

Weight:                               14lbs
Lamp holder:                     Small Edison Screw Fitting

Bulb type:                           LED E27 100 lumen clear globe
Dimmable:                          YES/NO

Cord Length:                      10′ (3m)

Cord entry:                         Rear

Mains connection:           BS1363/A moulded plug fitted with 3 amp fuse

Method of operation:      In-line rocker switch
Supplied with:                  Recommended bulb

Casella Thermo-Hygrograph